Discover all Path of Exile 2 Abyssal Eyes - the bonus each eye grants and the item types it can be socketed into. Abyssal Eyes go into the sockets on weapons and armour with effects that change by item, and you can only have one socketed at a time.
PoE 2 Abyssal Eyes

Amanamu's Gaze
Requires: Level 65
- Helmet: Remove a Damaging Ailment when you use a Command Skill
- Body Armour: +2 to Armour per 1 Spirit
- Boots: 1% increased Movement Speed per 15 Spirit, up to a maximum of 40% Other Modifiers to Movement Speed except for Sprinting do not apply

Kurgal's Gaze
Requires: Level 65
- Helmet: Increases and Reductions to Life Regeneration Rate also apply to Mana Regeneration Rate
- Gloves: 40% increased effect of Arcane Surge on you
- Boots: 15% increased Mana Cost Efficiency if you haven't Dodge Rolled Recently

Tecrod's Gaze
Requires: Level 65
- Body Armour: Regenerate 1.5% of maximum Life per second
- Gloves: 25% increased Life Cost Efficiency
- Boots: 10% increased Movement Speed when on Low Life

Ulaman's Gaze
Requires: Level 65
- Helmet: +1 to Accuracy Rating per 1 Item Evasion Rating on Equipped Helmet
- Gloves: Critical Hit chance is Lucky against Parried enemies
- Body Armour: Prevent +3% of Damage from Deflected Hits