How do you defeat abyss in x men legends 2 PSP?

To defeat Abyss in X-Men Legends 2 for PSP, focus on dodging his powerful attacks and using ranged abilities to keep your distance. Utilize characters with strong area-of-effect attacks to hit him and any minions he summons. Make sure to heal your team as needed and use character synergy to maximize damage output. Lastly, stay patient and avoid getting cornered to outlast him in the battle.