Mercurius
Huge elemental, Chaotic Evil
Armor Class 16 (natural armor)
Hit Points 184 (16d12 + 80)
Speed 40 ft., Fly 40 ft. (hover)
STR 22 (+6) · DEX 18 (+4) · CON 20 (+5) · INT 14 (+2) · WIS 12 (+1) · CHA 16 (+3)
Skills Athletics +10, Deception +7, Intimidation +7
Gear Alchemist's Cloth: A magical strip of cloth. One end can be rubbed on a creature as an action to heal them for 4d8 + 4 Hit Points (3 charges per day). The other end can be rubbed on a nonmagical iron or steel object (no larger than a battleaxe) as an action to permanently transmute it into pure silver.
Senses Darkvision 120 ft., passive Perception 11
Languages Common, Primordial
Challenge 11 (7,200 XP)
Lore
An ancient spirit trapped in a bottle.
Spirit in the Bottle — A woodland elemental.
A poor woodcutter had spent his whole life dreaming of something better, so he worked from dawn till dark. When he finally managed to save a little money, he said to his son:
From Grimm Legends Bestiary 5E, p. 48 · Fern Flower Press