There is a Legacy version 
here.

Touch of Death  
[two-actions] Focus 8Uncommon Concentrate Focus Incapacitation Manipulate Monk Source Player Core 2 pg. 256 1.1Defense Fortitude; 
Duration 1 month
Make a melee unarmed Strike. If you hit and the target is alive, anytime during the duration, you can spend a single action, which has the 
auditory and 
concentrate traits, to speak a word of death that could instantly slay it. The target must attempt a Fortitude save. 
Critical Success The target survives, the spell ends, and the target is then temporarily immune for 24 hours.
Success The target is 
stunned 1 and takes 40 damage, the spell ends, and the target is then temporarily immune for 24 hours.
Failure The target is stunned 3 and takes 80 damage. The spell's duration continues, but the target is then temporarily immune for 24 hours against being killed by 
touch of death.
Critical Failure The target dies.
If you cast 
touch of death again, the effects of any 
touch of death you had previously cast end.
Heightened (+1) The damage increases by 10 on a failure, or 5 on a success.