In Pathfinder with 3pp content allowed, I want to build a soulknife whose mind blade has the coup de grace enchantment. It reads:
Coup de grace weapons are exceptionally dangerous. On a successful critical hit, the foe must succeed on a DC 27 Will save or be paralyzed for 1 round. While this ability does work on creatures that are immune to extra damage from critical hits, it does not work on creatures without an Intelligence score. Bows, crossbows, and slings bestow this ability on their ammunition.
From when to when does the paralysis last? If it lasts from the end of my attack this round to the end of my attack next round, then I could attempt to coup de grace my paralyzed opponent as a full round action next round. But if my understanding of RAW is correct, the 1 round effect would last from my initiative count to the return of my initiative count, meaning by the time I could attack my opponent would no longer by paralyzed.
How does this work?