aquí te mando las estadísticas de un fantasma hechicero que aparece en serpent´s skull. Las puedes utilizar como referencia (sólo pongo lo referente a la clase hechicero):
Male serpentfolk ghost sorcerer 11
Offense
Bloodline Spell-Like Abilities (CL 11th; concentration +19) 11/day—acidic ray (1d6+5 acid)
Sorcerer Spells Known (CL 11th; concentration +19)
5th (5/day)—cone of cold (DC 23), feeblemind (DC 23), mind fog (DC 23)
4th (8/day)—black tentacles (DC 22), crushing despair (DC 22), dimension door, fear (DC 22)
3rd (8/day)—dispel magic, fireball (DC 21), ray of exhaustion (DC 21), stinking cloud (DC 21), tongues
2nd (8/day)—acid arrow, blindness/deafness (DC 20), gust of wind (DC 20), scorching ray, see invisibility, summon swarm
1st (8/day)—enlarge person, Grease (DC 19), hypnotism (DC 19), magic missile, obscuring mist, true strike
0 (at will)—acid splash, bleed (DC 18), detect magic, ghost sound, mage hand, ray of frost, read magic, resistance, touch of fatigue (DC 18)
Bloodline Aberrant