It is best if you have at least one of each of the following.
1) someone who can make bridges
2) someone who can fly
3) someone who is strong enough to pick up large items and destroy walls etc
4) someone who has amour, iceman has amour as one of his special abilities.

It is best if you have at least one of each of the following.
1) someone who can make bridges
2) someone who can fly
3) someone who is strong enough to pick up large items and destroy walls etc
4) someone who has amour, iceman has amour as one of his special abilities.