Harvest the Heart of the Grove

Harvest Atlas Passive Tree

Count	Name	Category	Description
1	Heart of the Grove	Notable	Harvest Crops in your Maps have 60% increased chance to contain a Tier 4 Plant Harvests in your Maps have 10% chance for the unchosen Crop to not wilt
6	Harvest Chance	Normal	Your Maps have +1% chance to contain The Sacred Grove

Heart of the Grove Harvest encounter

Completing the Heart of the Grove Harvest encounter for the first time now unlocks 5 extra Horticrafting Station crafting slots for those in the area at both the start and end of the fight, instead of just the instance owner. (3.15.1 Patch Notes)

Sacred Blossom is a Map Fragment. It is for the harvest “Heart of the Grove” encounter, which can randomly drop from tier 4 harvest bosses.

• Portal: The Sacred Grove
• Area Level: 83

Open a portal to the Sacred Grove by using this item in a personal Map Device. Can only be used once.

Harvest Tier 4 Bosses

The Heart of the Grove encounter is now a map fragment( Sacred Blossom) that sometimes drops from Tier 4 Harvest bosses, instead of randomly appearing in place of a normal Harvest grove. This allows you to trade the encounter if you don’t feel up to it, and it means that finding The Heart of the Grove when you are in a map with difficult mods doesn’t lead to an impossible encounter.

Tier	Item	Lvl
4	Ersi, Mother of Thorns #15	75
4	Namharim, Born of Night #31	100
4	Janaar, the Omen #47	80

During Harvest league, the player witnessed the NPC Oshabi turns into the Heart of the Grove after harvesting a T4 seed. The heart has a counter to indicate that how many harvest is needed to trigger the boss fight. This mechanic then removed.

Since version 3.13.0, the player still witnessed Oshabi turns into the Heart of the Grove, but the actual boss fight was spawned by random. Since version 3.14.0, the boss fight is triggered by the player using the map fragments dropped by T4 harvest monster: Ersi, Mother of Thorns; Janaar, the Omen or Namharim, Born of Night.

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PoE Harvest Crafts

#	Description	Cost
1	Reforge a Rare item with random modifiers, including a Fire modifier	Wild Crystallised Lifeforce x50
2	Reforge a Rare item with random modifiers, including a Cold modifier	Vivid Crystallised Lifeforce x50
3	Reforge a Rare item with random modifiers, including a Lightning modifier	Primal Crystallised Lifeforce x50
4	Reforge a Rare item with random modifiers, including a Physical modifier	Vivid Crystallised Lifeforce x50
5	Reforge a Rare item with random modifiers, including a Life modifier	Wild Crystallised Lifeforce x75
6	Reforge a Rare item with random modifiers, including a Defence modifier	Primal Crystallised Lifeforce x75
7	Reforge a Rare item with random modifiers, including a Chaos modifier	Vivid Crystallised Lifeforce x100
8	Reforge a Rare item with random modifiers, including an Attack modifier	Wild Crystallised Lifeforce x75
9	Reforge a Rare item with random modifiers, including a Caster modifier	Primal Crystallised Lifeforce x75
10	Reforge a Rare item with random modifiers, including a Speed modifier	Vivid Crystallised Lifeforce x150
11	Reforge a Rare item with random modifiers, including a Critical modifier	Primal Crystallised Lifeforce x150
12	Reforge a Rare item, being more likely to receive the same modifier types	Wild Crystallised Lifeforce x200
13	Reforge a Rare item, being less likely to receive the same modifier types	Wild Crystallised Lifeforce x200
14	Sacrifice a Corrupted Map. Create a new Corrupted Map of the same tier and rarity.	Wild Crystallised Lifeforce x200
15	Change a stack of Fossils into a different type of Fossil. The new Fossil type may have a smaller stack size. Cost is proportional to stack size.	Wild Crystallised Lifeforce x30
16	Change a stack of Oils into a different colour of Oil. Cost is proportional to stack size.	Vivid Crystallised Lifeforce x30
17	Change a stack of Catalysts into a different type of Catalyst. Cost is proportional to stack size.	Vivid Crystallised Lifeforce x30
18	Change a stack of Essences into a different type of the same tier. Cost is proportional to stack size.	Primal Crystallised Lifeforce x30
19	Change a stack of Timeless Splinters or a Timeless Emblem into Splinters or an Emblem of another type. Cost is proportional to stack size.	Primal Crystallised Lifeforce x4
20	Change a stack of Breach Splinters or a normal, Charged, Enriched or Pure Breachstone into Splinters or a Breachstone of another type. Cost is proportional to stack size.	Wild Crystallised Lifeforce x4
21	Change a stack of Scarabs to a different type of the same rarity. Cost is proportional to stack size.	Wild Crystallised Lifeforce x30
22	Change a stack of Delirium Orbs into a different type of Delirium Orb. Cost is proportional to stack size.	Primal Crystallised Lifeforce x30
23	Change a Divination Card into another random Divination Card	Vivid Crystallised Lifeforce x75
24	Change a modifier that grants Cold Resistance into a similar-tier modifier that grants Fire Resistance	Wild Crystallised Lifeforce x500
25	Change a modifier that grants Lightning Resistance into a similar-tier modifier that grants Fire Resistance	Wild Crystallised Lifeforce x500
26	Change a modifier that grants Fire Resistance into a similar-tier modifier that grants Cold Resistance	Vivid Crystallised Lifeforce x500
27	Change a modifier that grants Lightning Resistance into a similar-tier modifier that grants Cold Resistance	Vivid Crystallised Lifeforce x500
28	Change a modifier that grants Fire Resistance into a similar-tier modifier that grants Lightning Resistance	Primal Crystallised Lifeforce x500
29	Change a modifier that grants Cold Resistance into a similar-tier modifier that grants Lightning Resistance	Primal Crystallised Lifeforce x500
30	Enchant a Flask with a modifier that grants increased Duration. The magnitude of this effect decreases with each use	Wild Crystallised Lifeforce x800
31	Enchant a Flask with a modifier that grants increased Maximum Charges. The magnitude of this effect decreases with each use	Wild Crystallised Lifeforce x800
32	Enchant a Flask with a modifier that grants increased Effect. The magnitude of this effect decreases with each use	Vivid Crystallised Lifeforce x800
33	Enchant a Flask with a modifier that grants reduced Charges used. The magnitude of this effect decreases with each use	Primal Crystallised Lifeforce x800
34	Change a stack of Shaper Fragments into other random Shaper Fragments. Cost is proportional to stack size.	Wild Crystallised Lifeforce x500
35	Change a stack of Elder Fragments into other random Elder Fragments. Cost is proportional to stack size.	Primal Crystallised Lifeforce x500
36	Change a stack of Conqueror Fragments into other random Conqueror Fragments. Cost is proportional to stack size.	Vivid Crystallised Lifeforce x500
37	Change a stack of Sacrifice or Mortal Fragments into other random Fragments of that type. Cost is proportional to stack size.	Primal Crystallised Lifeforce x500
38	Sacrifice up to half a stack of Divination Cards to receive between 0 and twice that amount of the same Card	Vivid Crystallised Lifeforce x1500
39	Enchant a non-Unique Map with Map doesn't consume Sextant charges	Vivid Crystallised Lifeforce x2500
40	Sacrifice a Corrupted Gem to gain 50% of the gem's total experience stored as a Facetor's Lens	Vivid Crystallised Lifeforce x4000
41	Randomise the Influence types on an Influenced Normal, Magic or Rare Item, as well as reforging the item with new random modifiers	Primal Crystallised Lifeforce x1000
42	Enchant a Body Armour. Quality does not increase its Defences, grants +1 Maximum Life per 2% quality	Wild Crystallised Lifeforce x3250
43	Enchant a Body Armour. Quality does not increase its Defences, grants +1 Maximum Mana per 2% quality	Primal Crystallised Lifeforce x3250
44	Enchant a Body Armour. Quality does not increase its Defences, grants +1 Strength per 2% quality	Wild Crystallised Lifeforce x3250
45	Enchant a Body Armour. Quality does not increase its Defences, grants +1 Dexterity per 2% quality	Vivid Crystallised Lifeforce x3250
46	Enchant a Body Armour. Quality does not increase its Defences, grants +1 Intelligence per 2% quality	Primal Crystallised Lifeforce x3250
47	Enchant a Body Armour. Quality does not increase its Defences, grants +1% to Fire Resistance per 2% quality	Wild Crystallised Lifeforce x3250
48	Enchant a Body Armour. Quality does not increase its Defences, grants +1% to Cold Resistance per 2% quality	Vivid Crystallised Lifeforce x3250
49	Enchant a Body Armour. Quality does not increase its Defences, grants +1% to Lightning Resistance per 2% quality	Primal Crystallised Lifeforce x3250
50	Enchant a Melee Weapon. Quality does not increase its Physical Damage, has +1 Weapon Range per 10% Quality	Wild Crystallised Lifeforce x5000
51	Enchant a Weapon. Quality does not increase its Physical Damage, grants 1% increased Area of Effect per 4% Quality	Wild Crystallised Lifeforce x5000
52	Enchant a Weapon. Quality does not increase its Physical Damage, grants 1% increased Accuracy per 2% Quality	Vivid Crystallised Lifeforce x5000
53	Enchant a Weapon. Quality does not increase its Physical Damage, has 1% increased Attack Speed per 8% Quality	Vivid Crystallised Lifeforce x5000
54	Enchant a Weapon. Quality does not increase its Physical Damage, has 1% increased Critical Strike Chance per 4% Quality	Primal Crystallised Lifeforce x5000
55	Enchant a Weapon. Quality does not increase its Physical Damage, grants 1% increased Elemental Damage per 2% Quality	Primal Crystallised Lifeforce x5000
56	Reforge the colour of a random socket on an item, turning it White	Wild Crystallised Lifeforce x12500 Sacred Crystallised Lifeforce x1
57	Add a new Fire modifier and remove another random modifier from a non-Influenced item	Wild Crystallised Lifeforce x15000 Sacred Crystallised Lifeforce x1
58	Add a new Cold modifier and remove another random modifier from a non-Influenced item	Vivid Crystallised Lifeforce x15000 Sacred Crystallised Lifeforce x1
59	Add a new Lightning modifier and remove another random modifier from a non-Influenced item	Primal Crystallised Lifeforce x15000 Sacred Crystallised Lifeforce x1
60	Add a new Physical modifier and remove another random modifier from a non-Influenced item	Vivid Crystallised Lifeforce x15000 Sacred Crystallised Lifeforce x1
61	Add a new Life modifier and remove another random modifier from a non-Influenced item	Wild Crystallised Lifeforce x17500 Sacred Crystallised Lifeforce x1
62	Add a new Defence modifier and remove another random modifier from a non-Influenced item	Primal Crystallised Lifeforce x17500 Sacred Crystallised Lifeforce x1
63	Add a new Chaos modifier and remove another random modifier from a non-Influenced item	Vivid Crystallised Lifeforce x17500 Sacred Crystallised Lifeforce x1
64	Add a new Attack modifier and remove another random modifier from a non-Influenced item	Wild Crystallised Lifeforce x17500 Sacred Crystallised Lifeforce x1
65	Add a new Caster modifier and remove another random modifier from a non-Influenced item	Primal Crystallised Lifeforce x17500 Sacred Crystallised Lifeforce x1
66	Add a new Speed modifier and remove another random modifier from a non-Influenced item	Vivid Crystallised Lifeforce x20000 Sacred Crystallised Lifeforce x1
67	Add a new Critical modifier and remove another random modifier from a non-Influenced item	Primal Crystallised Lifeforce x20000 Sacred Crystallised Lifeforce x1
68	Fracture a random modifier on an item with at least 4 modifiers, locking it in place. This can't be used on Influenced, Synthesised, or Fractured items	Wild Crystallised Lifeforce x10000 Sacred Crystallised Lifeforce x1
69	Synthesise an item, giving random Synthesised implicits. Cannot be used on Unique, Influenced, Synthesised or Fractured items	Vivid Crystallised Lifeforce x5000 Sacred Crystallised Lifeforce x1
70	Reforge an Influenced Rare item with random modifiers, including a Influence modifier	Primal Crystallised Lifeforce x5000 Sacred Crystallised Lifeforce x1

Harvest Atlas Passive Tree

Count	Name	Category	Description
7	Additional Lifeforce from Harvest	Normal	Harvest Monsters in your Maps drop 3% increased Quantity of Lifeforce
1	Bountiful Harvest	Notable	Harvest Monsters in your Maps grant 200% increased Experience Harvested Plants in your Maps have 10% chance to spawn an additional Monster
1	Bumper Crop	Notable	The Sacred Grove in your Maps has 50% chance to contain an additional Harvest

Harvest Atlas Passive Tree

Count	Name	Category	Description
1	Call of the Grove	Notable	Your Maps have +4% chance to contain The Sacred Grove

Heart of the Grove Master Quest

1. You have found a Tier 4 Seed. Plant it and harvest it in the Sacred Grove.
2. You have successfully harvested a Tier 4 Seed. Talk to Oshabi about this in the Sacred Grove.
3. Nurture the Heart of the Grove by continuing to plant and harvest Seeds in the Sacred Grove, and wait for it to complete its growth cycle.
4. Activate the Heart of the Grove, now that it has completed its growth cycle.
5. Defeat Oshabi, Avatar of the Grove.
6. Quest Complete - You have put to rest Oshabi, Avatar of the Grove.

Heart of the Grove Drops

After PoE version 3.11.1: the Heart of the Grove monsters and bosses now have a chance based on their rarity, with higher-tier seeds having a higher chance, to drop a new plantable "seed". This can be placed in the Sacred Grove and will affect planted seeds around it, granting nearby seeds additional properties on being Harvested.

Seed Enhancer Name	Effect
Fortune Bud	Seeds in radius give the rarest of 2 chosen Crafting Options when Harvested
Fortune Flower	Seeds in radius give the rarest of 3 chosen Crafting Options when Harvested
Fortune Blossom	Seeds in radius give the rarest of 4 chosen Crafting Options when Harvested
Lifeforce Bud	Seeds in radius produce 100% more Lifeforce when Harvested
Lifeforce Flower	Seeds in radius produce 150% more Lifeforce when Harvested
Lifeforce Blossom	Seeds in radius produce 200% more Lifeforce when Harvested
Horticrafting Bud	Seeds in radius have 20% chance to generate additional Crafting Options when Harvested
Horticrafting Flower	Seeds in radius have 30% chance to generate additional Crafting Options when Harvested
Horticrafting Blossom	Seeds in radius have 40% chance to generate additional Crafting Options when Harvested

Heart of the Grove Growth Cycles

It requires 100 cycles to grow, and must be done in maps of zone level 78 or higher.

Avatar of the Grove

Oshabi, Avatar of the Grove is the boss of Heart of the Grove. Once it finishes growing, you can fight her.

The drop table has been changed since its original encounter in Harvest League, now that you can no longer obtain Seed Enhancers.

As of now, the loot table consists of one Harvest-exclusive unique:

• Witchhunter's Judgment
• Law of the Wilds
• Abhorrent Interrogation
• Forbidden Shako

and a random combination of:

• Infused Beachheads
• Lures
• Dedication to the Goddess
• Tribute to the Goddess
• Gift to the Goddess
• Infused Engineer's Orb
• Facetor's Lenses
• Winged Scarabs (unconfirmed)

Avatar of the Grove encounters statistics

encounters started	94,000
encounters completed	84,379

According to the GGG's statistics, fighting Avatar of the Grove is not difficult. As you can see, just shy of 90% of encounters that were started were successfully completed; a fairly high success rate for a new boss. There's no question that this boss was considered to be on the easier side among endgame bosses, and the statistics seem to agree with that sentiment.