This was on the random encounter list for Tales from the Infinite Stairway. Didn’t come up in the random rolls but it was too fun a creature to resist converting to 5e 🙂
Armor Class 14 (natural armor)
Hit Points 126 (11d12 + 55)
Speed 40ft., fly 60 ft.
STR 24 (+7) DEX 11 (+0) CON 21 (+5)
INT 17 (+3) WIS 17 (+3) CHA 16 (+3)
Senses blindsight 10ft., darkvision 60ft., passive Perception 10
Languages Celestial, Common
Challenge 6 (2,300 XP)
Dream Claws. The baku’s natural attacks are considered magical.
Trampling Charge. If the baku moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a DC 18 Strength saving throw or be knocked prone. If the target is prone, the baku can make one stomp attack against it as a bonus action.
Multiattack. The baku makes two attacks: one with its Gore or Stomp and one with its claws.
Gore. Melee Weapon Attack: +10 to hit, reach 10ft., one target.
Hit: 25 (4d8 + 7) piercing damage.
Stomp. Melee Weapon Attack: +10 to hit, reach 5 ft. , o ne prone creature.
Hit: 29 (4d10 + 7) bludgeoning damage.
Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target.,
Hit: 10 (1d6 + 7) psychic damage plus mental drain – target losses 1d4 intelligence on a failed DC 16 INT saving throw. A creature reduced to 0 Intelligence is knocked out.
Probability Travel (1/day). A baku psionically teleports, along with any equipment it is wearing or carrying, up to 120 feet to an unoccupied space it can see.
Baku are huge elephantine creatures with the tail of a lizard. The Baku’s rear feet end in leonine paws complete with claws. The baku’s back is covered with dragonlike scales running from their head all the way to the end of their tail. They have a short trunk, usually four feet in length.