- Reward for invading and killing members of the Darkwraith covenant as a member of the Blade of the Darkmoon covenant.
- One is dropped by Knight Lautrec of Carim by invading him with the Black Eye Orb in Anor Londo.
- Uncommon drop from Crow Demons. (3.6% pre-patch 1.05, 6% afterward) This is the only way for offline Blade of the Darkmoon advancement without moving to new playthroughs.
- One per playthrough is obtainable by trading a Pendant to Snuggly the Crow.
Players receive Souvenirs of Reprisal by invading other players' worlds as a spirit of vengeance under the Blade of the Darkmoon covenant and successfully dispatching their targets. One souvenir is awarded per kill.
Players may offer the Souvenirs to Dark Sun Gwyndolin in order to level up in the Blade of the Darkmoon covenant.
- The Souvenir of Reprisal is a very discolored ear, collected from the victim.