Frosty Heart
Frosty Heart is worth 280 gp at an NPC and weighs 1.86 oz.
Where to sell
Dropped by
Melting Frozen Horror (always), Ice Golem (uncommon), Icecold Book (uncommon), Squid Warden (uncommon), Frost Dragon Hatchling (semi-rare), Hirintror, Shardhead.