Beholdragonithid. A gem dragon whose head is that of a beholder-illithid.
Good news: No elemental breath.
Bad news: Massive mind blast/psychic breath attack
Good news: Cental eye negates magic effects
Bad news: Psionics are different
Good news: Breath weapon/mind blast is on a shared recharge
Bad news: Eye stalks are not on a recharge
Good news: No disintegrate, inflict, petrify, or energy drain eye stalks
Bad news: Insanity, feeblemind, dominate, and stun eye stalks
Good news: Tentacles mean no bite attack
Bad news: Tentacle attacks mean brain extraction
Iron rusted golem
Basilich, don’t look at him
Krakenku, is it a bird, is it a fish, ho my god run!
Shadrow, an elven undead of the dark
Skelettin, a starved Ettin, very in need of a lunch
Roperyton, fangs are not enough to hunt, use tendrils instead!
Stirgrell, an abomination that fall from the ceiling.