CR 11–16 aberration creatures from Monster Labs. These public stat blocks fit that band of the table; remix the CR or abilities if your party is ahead of the curve.
Giant Elder Brain
CR 16 · Aberration
Guardian Chimera
CR 15 · Aberration
Eldritch Abomination
CR 15 · Aberration
Bagweaver
CR 15 · Aberration
Super Beholder
CR 15 · Aberration
Cthulhu's Spawn
CR 15 · Aberration
Допенгальгер апостол дальнего предела
CR 15 · Aberration
Xylophage the Unbound
CR 15 · Aberration
Astral Worm
CR 15 · Aberration
Astral Worm
CR 15 · Aberration
Cthulhu's Nightmare
CR 15 · Aberration
Eldritch Abomination
CR 15 · Aberration
Maw Of Eternity
CR 15 · Aberration
Aberration Dragon
CR 15 · Aberration
Apocalyptor
CR 15 · Aberration
Corrupted Elder Brain
CR 15 · Aberration
K'thir
CR 15 · Aberration
Telekinetic Elder Brain
CR 15 · Aberration
Ancient Mindflayer
CR 15 · Aberration
The King in Yellow
CR 15 · Aberration
Roderick
CR 15 · Aberration