These arrows and crossbow bolts are sold by Fletcher. Fire arrows deal d6 extra fire damage, silver arrows are made of silver, shock arrows deal d6 extra electricity damage and ghost arrows can damage incorporeal enemies. They are worth 20 souls each except for silver arrows which are worth 5.
Destroying enemies from a safe distance is seen as one of the best strategies for the lost undead. Painful experience teaches them which energies and materials are useful against which enemies.