From Lexicanum

Daemonology is the study as well as psychic discipline which focuses on all things that dealt with the Warp and Chaos. Those users of this art are masters and manipulating the interactions between warp space and the mortal world. This allows them to accomplish amazing acts such as teleportation but tended to be the most difficult of the disciplines to truly master with many either perishing or being driven insane.

Abilities

• Banishment : this power allows a daemonoligist to create a temporary portal into the Warp which can accomplish to feats; it can either strip the power from a Psyker or banish a Daemonic creature back to the Warp which spawned it.
• Instability : through this ability, a psyker can phase the molecules of their body allowing them to be slightly within the warp and thus allowing them the power to pass through solid matter.
• Sanctuary : this creates a zone of power around a psyker which repels any daemonic beasts that approach it.
• Teleportation : a psyker can use this power to transport themselves or another person/object into the warp and emerge somewhere else on the field.
• Vortex of Chaos : a powerful ability known to psykers that practice the art of daemonology which allows them to open a gateway between the mortal world and the warp thus creating a swirling vortex which sucks everything near it to the tear in space.¹
• Summon Warp Power : by drawing upon the energy of the Warp, a psyker can imbue themselves with great strength and agility for a limited amount of time.
• Summon Void : this power allows a pysker to open a small breach into the Warp which tears away a tiny piece of reality and drag it into the Immaterium.²

Source

• ¹:Inquisitor Inquisitior Rulebook Part 1 (pg 53)
• ²:Inquisitor The Thorians Sourcebook by Gav Thorpe (pg 32)

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