Frost dragon bones

Hmm. I doubt a dog would enjoy eating these.

Grand Exchange

Bone grinder

Robin

Ritual site (Tier 3)

Source	Quantity	Chance per roll
Transmutation (Equilibrium League) [{'content': 'Requires appropriate material to transmute from.'}]	1–10	Special
Frost dragon []	1	Always
Holy scarab scroll (Bone Conjure) []	1	759/33,611
Large Forgotten Belongings [{'content': 'This drop is replaced by oddments for Ironman Mode players.', 'name': 'ironman'}, {'content': 'Estimated rarity may be inaccurate due to a low sample size.', 'name': 'inaccurate'}]	1	239/1,995, 3 rolls
Memory of Nomad []	5–6	Uncommon
Raptor's chest of slaying []	100	Always
Reward box []	—	Unknown
Zemouregal & Vorkath loot (hard) []	8–12	75/1,000, 8 rolls