Eygon is located outside the church with the elevator leading to Road of Sacrifices in Undead Settlement. He’ll move to Firelink Shrine after defeating the Abyss Watchers, provided you’ve already recruited Irina of Carim.

After purchasing any Dark Miracles from Irina:¶

Eygon kidnaps Irina to protect her from darkness and become hostile, located near the boss bonfire in Firelink Shrine.

After summoning to Dragonslayer Amour boss:¶

Appears dead in the cell where you recruited Irina in Undead Settlement with the Morne’s Great Hammer and Moaning Shield .

Drops:

• 1,000 Souls
• Morne’s Great Hammer and Moaning Shield