Deities & Demigods 20 Fiend Folio 25 -- Ah, those crazy British monsters… And the drow, the kuo-toa, the slaad, the elemental princes of Evil. It's a classic ! Greyhawk Adventures 0 -- And yet, I love Greyhawk. But that one was entirely unnecessary. R.I.P. !
Manual of the Planes 8 Monster Manual II 20
Oriental Adventures 17 Unearthed Arcana 20