The Arrows of Elrik the Archer it's a set of magic arrows that Copper obtained from the Permanent Transient.

Each of them have the arrow head made from a different material and produces a different effect.

Name Arrowhead Effect
Burn Sulphur Fireball spell.
Ice Quartz Wall of Ice spell.
Excavate Stone Destroy 10ft cube or earth/rock.
Translator Brass Shoot someone with it and it will teleport you to where it lands.
Web Rolled up spiderweb Entangle spell.

If arrows hit they can be recovered. If they miss there is a 50% chance they are lost.