You imbue your attack with a withering poison that diminishes your foe more the longer the poison acts.

Daily ✦     Poison
Standard Action  

Special: In addition to the keyword above, this power is considered to have the same keywords and range as the at-will power you use with it.

Target: One creature

Effect: Use a melee or ranged at-will attack power on the target. If you deal typed damage, you can change that damage type to poison. If you hit, the target takes a -2 penalty to attack rolls and ongoing 10 poison damage (save ends both).

  First Failed Saving Throw: The target is blinded instead of taking the -2 penalty (save ends).

  Second Failed Saving Throw: The target is blinded and weakened instead of taking the –2 penalty (save ends both).
15th Level: Ongoing 15 poison damage (save ends).
25th Level: The at-will power you use deals 1 extra die of damage and ongoing 15 poison damage (save ends).

Miss: Half damage, and the target takes a -2 penalty to attack rolls and ongoing 5 poison damage (save ends both).

Published in Dragon Magazine 373, page(s) 16.