Eerie Jack is a halloween-themed trinket that summons a pet.
- Skeets' Boo'tique in the East End Police Station
- Skeets' Boo'tique in the North Burnley Nightclub
- Skeets' Boo'tique in The Midnight Masquerade
Upon activating the trinket, Eerie Jack is summoned to aid the player in battle. When Eerie Jack dies nearby enemies take damage.
- Fire Ball - does a single attack for ~40 damage (on training dummy).
- Torch - does four consecutive attacks, each for ~14 damage (on training dummy).