Witchcraft is one of the 8 skill schools in Divinity: Original Sin, specializing in life/death magic.
The bracket after the CD of each skill indicates the minimum cooldown (achieved when INT is 15 or higher).
|Tier||Skill||Description||AP||CD||Rec Int||Rec Abl Lvl|
|Decaying Touch||Make a target decay, so that it cannot be healed by magic or potions anymore. It will be damaged instead!||2||8(4)||8||1|
|Lower Resistances||Decrease the elemental resistance of enemies around oneself by 20%.||4||6(2)||8||1|
|Malediction||Malediction weakens and curses an enemy.||4||5(3)||8||1|
|Oath of Desecration||Enhances the damage of a chosen ally target by 40%. This effect lasts for 3 turns.||3||10(6)||8||1|
|Summon Undead Warrior||Summon a level X skeleton in a 10.0m radius for 24s.||4||6(2)||2|
|Vampiric Touch||Heal yourself with the life force of someone else. Damages them for X-Y piercing.||4||6(2)||8||1|
|Destroy Summon||Deal immense damage to a summoned creature.||6||10(7)||2|
|Drain Willpower||Decrease a target's Willpower by -5.||3||6(3)||10||3|
|Mute||Silence a target.||3||9(4)||11||3|
|Rapture||Charm a target.||6||6(4)||9||2|
|Summon Armoured Undead Decapitator||Summon a powerful level X Skeletal Knight in a 12.0m radius for 30s.||8||8(5)||3|
|Death Punch||Deal X-Y crushing damage to a target near you.||9||11(9)||12||4|
|Horrific Scream||Make enemies around you cower and flee.||6||9||11||4|
|Invulnerability||Make yourself invulnerable.||2||∞||13||5|
|Resurrect||Resurrect a dead ally to 50% of its vitality at a location within 10.0m.||6||8(6)||4|
|Soulsap||Lower all of the target's powers and resistances.||8||∞||12||4|
∞) Can only be cast once per combat.