Super Smash Bros. Melee/Luigi

Luigi Ladder
This trick requires two Luigis standing within range of their up- attacks, but so that their up-B does not connect with its fiery sweet-spot. At this point, both Luigis can alternate using their up- attack, climbing higher and higher into the air; they will accumulate damage but never die. This tactic can be used as a stall in team tournaments and is usually banned.