Vulnerable weapon. Yegor's greatclub is heavily worn after years of use. If Yegor rolls a critical hit or miss, the greatclub is permanently destroyed. The greatclub can be specifically targeted in an attack made against Yegor, but that attack is made with disadvantage. The Club has 18 hit points and is vulnerable to fire damage. Yegor's club can be destroyed in a number of ways, at the DM's discretion. 

Greatclub. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 18 (3d8 + 5) bludgeoning damage.

Rock. Ranged Weapon Attack: +8 to hit, range 60/240 ft., one target. Hit: 21 (3d10 + 5) bludgeoning damage.

Unarmed Strike. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 12 (3d4 + 5) bludgeoning damage.

Yegor can take 1 legendary action, choosing from the options below. Yegor regains spent legendary actions at the start of his turn.

Attack. Igor can take the attack action.

Crush. The giant chooses a creature within 5 feet and attempts to crush it. The chosen creature must make a successful DC 15 Athletics(Strength) or Acrobatics(Dexterity) saving through or take 12 (3d4 + 5) bludgeoning damage and become grappled and prone. The grappled condition ends if the giant uses any of its movement.