Giga Bowser possesses Super Armor for most of his attacks, meaning that he will barely flinch from any of your attacks until well into the 200%.Extremely powerful attacks, with elements added to them & crazy huge range that can send you flying in a few hits.In order to get to Giga Bowser, you have to play through Adventure Mode in the Normal Difficulty or higher in under 18 minutes, which can be really painful, especially on Very Hard with its ruthless A.I.Why He's a Giga Nightmare (Bad Qualities) He's the true main boss of Final Destination, the 12th and final main area of the Adventure Mode and is overall the 16th and final battle of that mode, and became infamous for his extremely high difficulty among players. He's the ultimate form of Mario main antagonist Bowser and only appears in the Adventure Mode of the game. Giga Bowser is an antagonist and hidden true final boss of Super Smash Bros.

Melee, as he was made easier in Super Smash Bros. Note: This list will primarily focus on the battle in Super Smash Bros.