Sister of Suffering (4e Power)

Sister of Suffering	Grim Blackguard Attack 20
The image of half-nude syren starts to appear from the underground, making your foes to forget their attacks
Daily  Shadow, Cold, Fire, Weapon
Standard Action	Melee weapon
Attack: Charisma Vs. Will
Hit: The target takes 3[W] + your Charisma modifer cold and fire damage
Miss: Half damage
Effect: The target is under the following effect (save ends): At the start of his turn roll 1d4 to determine what your target will suffer: 1: The target takes 1d6 cold and fire damage 2: The target teleports in the square adjacent to you and cannot perform actions. 3: The target falls prone 4: The target teleports in the square adjacent to you and spends a standard action to performs melee basic attack at you.
Special: You can take a -2 penalty to attack roll and deal additional cold damage on hit equal to your Charisma modifier.