- Undead Settlement
Found sitting outside the church where Siegward of Catarina and the giant archer are located.
- Road of Sacrifices
White summon sign before the Crystal Sage fight, provided the player has spoken to Irina of Carim at Firelink Shrine at least once.
- Lothric Castle
White summon sign in the chapel near the Dragonslayer Armour fight, if Irina has not been corrupted or killed.
- Firelink Shrine
Sitting on a set of stairs near the bonfire, some time after saving Irina.
Eygon is first encountered guarding the cell where Irina is being held. He has an initially negative disposition toward the Ashen One but agrees to ally himself with the Ashen One after Irina is freed from her cell. He makes it clear that the alliance is only valid for as long as Irina is kept safe and warns them that he will make them pay if her safety is at risk. He can then be summoned for the Crystal Sage fight.
If the player kills Irina, Eygon will be waiting for them in the area outside of Firelink Shrine and immediately become hostile. If any dark miracles are purchased from Irina after giving her a forbidden tome, he will kidnap her to "save" her from corruption and become hostile outside Firelink.
Avoiding purchasing any dark miracles from Irina will enable the player to summon Eygon for the Dragonslayer Armour boss fight. His corpse, containing his weapons, can then be found in Irina's old cell in the Undead Settlement, and his armor will be available for purchase from the Shrine Handmaid.
Morne's Great Hammer
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