Armor Class 15 (natural armor)
Hit Points 243 (18d12 + 126)
Speed 40 ft.
Saving Throws CON +12, WIS +8
Skills Intimidation +8, Perception +8
Condition Immunities frightened
Senses darkvision 120 ft., passive Perception 18
Languages Giant
Challenge 15
Reactive. The giant can take one reaction on every turn in a combat.
Vigilant. The giant can't be surprised.
Multiattack. The giant makes four longsword attacks or two rock attacks.
Longsword. Melee Weapon Attack: +13 to hit, reach 15 ft., one target. Hit: 21 (3d8 + 8) slashing damage.
Rock. Ranged Weapon Attack: +13 to hit, range 60/240 ft., one target. Hit: 30 (4d10 + 8) bludgeoning damage. If the target is a creature, it must succeed on a DC 21 Strength saving throw or be knocked prone.
Deflect Attack. The giant adds 5 to its AC against one weapon attack that would hit it. To do so, the giant must see the attacker and be wielding a melee weapon.
Mythic Odysseys of Theros, p. 225