Iron Hans
Medium fey, Chaotic Neutral
Armor Class 18 (natural armor)
Hit Points 210 (20d8 + 120)
Speed 40 ft., Swim 40 ft.
STR 24 (+7) · DEX 14 (+2) · CON 22 (+6) · INT 14 (+2) · WIS 16 (+3) · CHA 18 (+4)
Skills Athletics +11, Nature +6, Perception +7, Survival +7
Gear None
Senses Darkvision 120 ft., Tremorsense 60 ft. (while in contact with water or earth), passive Perception 17
Languages Common, Sylvan
Challenge 12 (8,400 XP)
Traits
Amphibious. Iron Hans can breathe air and water.
Legendary Resistance (3/Day). If Iron Hans fails a saving throw, he can choose to succeed instead.
Lair Actions. While fighting within his cursed forest or near his magical pond, Iron Hans can take a Lair Action on initiative count 20 (losing initiative ties) to cause one of the following effects; he cannot use the same effect two rounds in a row:
Drowning Grasp: Spectral hands shoot from the earth or water. Two creatures of Iron Hans's choice within 60 feet must succeed on a DC 18 Strength saving throw or be dragged up to 20 feet toward him and become Restrained until initiative count 20 on the next round.
Actions
Multiattack. Iron Hans makes three Iron Fist attacks. He can replace one of these attacks with Spellcasting or Iron Host.
Iron Fist. Melee Attack: +11 to hit, reach 5 ft., one target. Hit: 20 (3d8 + 7) bludgeoning damage, and the target is knocked Prone.
Iron Host (Recharge 5-6). Magic Attack: +11 to hit, reach 30 ft. line, all creatures in the line. Hit: 34 (6d8 + 7) bludgeoning damage, and the target is Stunned until the end of its next turn as spectral armored chargers gallop over them.
Spellcasting. Iron Hans casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (Spell Save DC 16):
At Will: Freedom of Movement (PHB, p. 277), Shape Water (XGE, p. 164)
2/Day Each: Command (PHB, p. 251), Control Water (PHB, p. 256)
1/Day Each: Conjure Animals (Summons spectral hunting hounds, cast as a 5th-level spell; PHB, p. 254), Geas (PHB, p. 278)
Reactions
Rusty Rebuke. When a creature hits Iron Hans with a melee attack while within 5 feet of him, the creature strikes his enchanted, iron skin. The attacker takes 9 (2d8) piercing damage and is Poisoned until the end of its next turn.
Lore
An enchanted king who spent so many years at the bottom of a pond that his skin now looks like rusty iron.
Once upon a time, there was a kingdom whose castle stood right beside a vast forest teeming with wild animals. One day the king sent a hunter into the woods to bring back a roe deer, but the man never returned.
“Something terrible must have happened to him,” the king thought, and the next day he dispatched two more hunters to search for the first, but they vanished as well. On the third day the king summoned all his hunters. “Comb the entire forest,” he commanded. “Do not come back until you have found the other three.” Neither the men nor their hounds were ever seen again.
From Grimm Legends Bestiary 5E, p. 34 · Fern Flower Press