I'm having trouble RNGing a Cresselia on my Platinum. This is the first roaming legendary I've attempted to RNG, and I'm not sure what's going wrong. I was able to successfully RNG an HP Grass 70 31/22/31/30/31/31 event Raikou and a 31/31/31/25/31/31 event Entei on my SS yesterday, so I'm...