Help on spell circle of holding

Current upkeeper: Oya
Casting time    : 13
Spell cost      : 313
Spell type      : generic
Affecting stats : Int, Wis, Lvl, guild masteries
Affecting skills: various skills
This spell is used to enchant a summoning circle with magical power so that it
will actually be able to hold a demon.

Cicada screech < List > Claws of puma