Excal-heim
Relentless Endurance. When reduced to 0 hit points, they drops to 1 hit point instead (but can't do this again until they finish a long rest).
Blood Rush. When the orq kills an enemy that can bleed, it gains 3 temp HP (but can't do this again until they finish a long rest).
Death Throes. When Qairon is reduced to 0 HP, its flesh immediately shrivel away and its bones explode. Each creature within 10 feet of it must succeed on a DC 10 Dexterity saving throw or take 9 2d8 force damage.
+2 Stone Greataxe. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 10 1d12+4 slashing damage. Siege Weapon, Two-handed, Spellcatalyst
Frostspark Wave. Qairon slams the greataxe onto the ground, releasing a wave of freezing cold lightning. Each creature in that area must make a DC 17 Dexterity saving throw, taking 4 1d8 cold + 4 1d8 lightning damage on a failed save, or half as much on a successful one.
Spellcasting. Qairon casts one of the following spells, requiring no material components and using Wisdom as the spellcasting ability (spell save DC 17):
3/day each: Beyblade, enlarge/reduce, invisibility, and stinking cloud
2/day each: Burning Soul, Creeping Rot, and Karmic Judgment