Huge Celestial, lawful good
Armor Class 18 (plate)
Hit Points 187 (15d12+90)
Speed fly +60, walk +40
Challenge 13
Saving Throws cha +8, con +1, str +1, wis +1
Skills perception +5
Damage Resistances radiant; nonmagic B/P/S attacks
Condition Immunities charmed, exhaustion, frightened
Senses truesight 120', passive Perception 20
Languages all, telepathy 120'
Celestial Weapons. Its weapon attacks are magical. When archon hits with its Trunk Maul weapon deals extra 5d8 force (included below).
False Appearance. While motionless indistinguishable from inanimate statue.
Immortal Nature. Doesn't require food drink or sleep
Magic Resistance. Advantage: spell/magic effect saves.
Siege Monster. Double damage to objects/structures.
Trampling Charge. If it moves 20'+ straight toward a creature and then hits it with trunk maul on same turn target: DC 19 Str save or be pushed up to 10 ft. and knocked prone. If target is prone archon can make one Stomp attack vs. it as a bonus action.
Multiattack. Two Trunk Maul attacks or four Trumpeting Blasts.
Trunk Maul. Melee Weapon Attack: +11 to hit, 10 ft., one target, 20 (4d6+6) bludgeoning damage + 22 (5d8) force.
Stomp. Melee Weapon Attack: +11 to hit 10 ft. one prone creature. 22 (3d10+6) bludgeoning damage.
Trumpeting Blast. Ranged Spell Attack: +10 to hit, 120 ft., one target, 19 (4d6+5) thunder.
Sundering Quake (Recharge 5-6). Slams its forelegs into the ground. Each creature in contact with the ground within 20' of it: 49 (14d6) force (DC 19 Dex half). Each structure in contact with the ground within 20' of archon also takes the damage and collapses if the damage reduces it to 0 hp.
Source: Tome of Beasts 3 · OGL/Open