DC's for spell-likes are 10 + Cha mod (9) + spell level?
if so, that would be as follows, correct?:
Spell-Like Abilities: At will – bestow curse (DC 23), bull's strength, chain lightning (DC 25), charm monster (DC 23), cure critical wounds (DC 23), deeper darkness, fox's cunning, greater dispel magic, hold monster (DC 24), invisibility, invisibility purge, levitate, mind fog (DC 24), mirage arcana (DC 24), persistent image (DC 24), polymorph (humanoid forms only, duration 1 hour), protection from energy, read magic, unholy blight (DC 23), whispering wind; 3/day – control weather, etherealness, freedom of movement, greater teleport, summon nature’s ally IX, word of chaos (DC 26); 1/day – Bigby’s crushing hand (DC 28), gate, maze, plane shift, wind walk. Caster level 25th. The save DCs are Charisma-based.