Help on spell call of the keeper

Current upkeeper: Oya
Casting time    : 10
Spell cost      : 1800
Spell type      : generic
Affecting stats : Int, Wis, Lvl, guild masteries
Affecting skills: Demonic attunement, Demonic scriptures, Demonology, Dominion pact, Forbidden names
Affecting spells: This spell
The most powerful Gatekeepers are able to summon and enslave demons without
the time-consuming drawing and enchanting of a summoning circle. Some are even
able to do so in the blink of an eye.

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