Hi some items could be changed a bit in my opinion:
Kiln: 13-14b
Wise old santa: 1-1,5b
100 credits scroll: 600-700m
Rainbow phat: 10-13b
Red/blue/green h'ween seem alot more expensive but idk fair value
Santa hat 700m-1b
Elder maul 250-300m
Prayer scroll 200m
Justiciar top & bot 150-200m, legs 300-450
Ghrazi rapier 350-450m
Scythe 3,2-3,5b
Torva helm 1,8-2,2b, torva pl8 2,5-2,8b, torva legs 2,7-2,9b
Vesta pl8 1-1,2b
Nightmare staff 1-1,5b
Harm orb 4-4,5b
Vola orb 8-9b
Inquis mace 200-250m
Vote point: 6m
Tentacle 2m
Trident of swamp 175-225m
Torture, anguish, tormented, suffering 350-450m
Ring of vigour 1,3-1,7b
Toxic sotd 175-225m
Magic fang ~200m
Brimstone ring 500m-1b
Dragon hunter lance 5-6b
Arcane 2,6-3b
Spectral 225-275m
Ava's assembler 1-1,2b
Cannon parts 200-250m, cannon set 800m-1,1b
Bludgeon: 30-60m
Hp