Anything that is 4x weak to Rock-type will immediately faint. Anything x2 weak to Rock-type will lose 75% of its health. Anything neutral will lose 50% of its health. Anything that resists it will lose 25% of its health. Anything that x4 resists it will lose 12.5% of its health.
Whaddya think? :)
Smogon will just LOVE the thought of moving Ho-Oh, Volcarona, and Yanmega to NU. --- Official Shadow Crawdaunt of the Pokemon X/Y Boards and Team Miror Infinity "Just because I want absolute power, I'm the bad guy!"