How powerful is surf (STAB) in the rain with a life orb?
95 (base power) 1.5 (STAB) 1.5 (Rain) * 1.3 (Life Orb) = 277 base power
I think it is 277power. I got this by going 95 (power of Surf) x 1.5 (STAB bonus) x 1.5 (Rain bonus) x 1.3 (Life Orb bonus). Someone please correct me if I'm wrong.