Monsters Wiki

Oni is a large giant (Challenge Rating 7).

Onyx Magistrate is a large construct (Challenge Rating 8).

Oozasis is a gargantuan ooze (Challenge Rating 9).

Oozasis is a gargantuan ooze (Challenge Rating 9).

Ooze, Leavesrot is a large ooze (Challenge Rating 4).

Ooze, Manure is a medium ooze (Challenge Rating 1).

Ooze, Scintillating is a large ooze (Challenge Rating 12).

Ooze, Shoal is a gargantuan ooze (Challenge Rating 10).

Ooze, Sinkhole is a gargantuan ooze (Challenge Rating 4).

Ooze, Sinoper is a medium ooze (Challenge Rating 9).

Ooze, Snow is a huge ooze (Challenge Rating 7).

Ophanim is a large celestial (Challenge Rating 16).

Ophidiotaur is a large monstrosity (Challenge Rating 5).

Ophinix is a large monstrosity (Challenge Rating 2).

Ophio Fungus is a huge plant (Challenge Rating 7).

Orc is a medium humanoid (Challenge Rating 1/2).

Orc is a medium humanoid (Challenge Rating 1/2).

Orc Warlord is a medium humanoid (Challenge Rating 4).

Orca is a huge beast (Challenge Rating 3).

Orcish Wildling Minstrel is a medium humanoid (Challenge Rating 2).

Ork Urk is a medium humanoid (Challenge Rating 2).

Orniraptor is a small monstrosity (Challenge Rating 1/4).

Orobas Devil is a large fiend (Challenge Rating 14).

Orobas Devil is a large fiend (Challenge Rating 14).