T-4:Cast Greater Invisibility on Skeletor (CL = 13)
T-3: Activate Evil Blessing (+3 to saves for 5 rounds, doubled if damage a good outsider that round)
T-2: Summon Undead II (Owlbear Skeleton) (CL = 7)
T-1: Summon Undead III (2x Owlbear Skeletons) (CL = 7)

Owlbear Skeleton 1 (from SU II): B/C-11/12
Owlbear Skeleton 2: I/J-11/12
Owlbear Skeleton 3: E/F-11/12
Skeletor: K-11
Szivv: I-13, will start with +1 Manifesting Sling bullet in hand
Elf/Lizard: Sitting out this fight

Initiative (using nerveskitter) (1d20+15)[19]

Knowledge (arcana): (1d20+19)[38]
Knowledge (religion): (1d20+19)[31]
Knowledge (planes): (1d20+19)[22]
Knowledge (nature): (1d20+19)[28]
Knowledge (psionic): (1d20+19)[39]
Knowledge (dungeoneering): (1d20+19)[28]