Epic Spell Seed, Drain 

Epic Spell Seed, Drain

Grimoire of Cosmic Entities Volume One By Eli Atkinson, William Church and Serge W. Desir, Jr.
Original Concept by Serge W. Desir, Jr.

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Necromancy
Spellcraft DC: 19
Components: V, S
Casting Time: 1 minute
Range: Touch
Target: Creature touched
Duration: Instantaneous, or see text
Saving Throw: Fortitude half
Spell Resistance: Yes

You deal the target 4 points of ability score damage to any one ability score, although a successful fortitude save reduces the damage by half. For each additional point of ability score damage to be dealt, increase the Spellcraft DC by +4.

You can instead afflict the character with ability drain; in such a case the base Spellcraft DC is 23. Whether the damage is ability damage or ability drain, a character cannot take Constitution damage or drain that reduces him to a Constitution score of 0.

Alternatively, the caster can deal energy drain by means of this seed; in such a case the base Spellcraft DC is 23. The creature touched takes four negative levels; each additional negative level to be bestowed increases the Spellcraft DC by +6. Negative levels bestowed in this manner disappear after 20 hours; if a factor is used to increase the duration, the target must successfully save after 24 hours if the negative levels have not been re-moved, otherwise they automatically convert to actual level loss. Any creature that gains negative levels equal to his current levels or hit dice dies with no save.