po-devs/pokemon-online — pull request #326 by Fuzzysqurl (2013-07-16 08:05:27+00:00)
Title: Flinch Mechanic Update

Peter O. helped me understand 5th gen flinch mechanics better.

Serene Grace and Pledges stack, which also stack with Razor Claw/Kings Rock/Stench in 5th gen.