Sir Jerro must be killed during the Underground Pass quest in order to collect the blue Paladin's badge. He can be killed after the quest is complete. If the player talks to him before they have killed him, he will give them some supplies. If the player has killed him and tries to talk to him, he will attack the player.
Drops
100% drops
Item Quantity Rarity GE market price 
Bones 1 Always 89
Armour/Weapons
Item Quantity Rarity GE market price
Steel full helm 1 Unknown 146
Steel longsword 1 Unknown 100
Steel sword 1 Unknown 80
Runes
Item Quantity Rarity GE market price
Water rune 30 Unknown 120
