Crystal King

"First I shall defeat you, and then I will present to King Bowser an iced Mario gift!"

- Crystal King

The Crystal King is the seventh boss in Paper Mario. He guards the seventh and final Star Spirit, Kalmar, in the Crystal Palace.

Paper Mario
The Crystal King appears at the end of the Crystal Palace, which Mario visits during Chapter 7. He suddenly reveals himself when Mario approaches him, and declares that he will defeat and freeze Mario and hand him over to Bowser, before engaging Mario in battle.

Crystal King has three phases. In his first phase (between 70 and 36 HP), he will only attack using the Crystal Bits. In his second phase (between 35 and 21 HP), he will stop using Crystal Bits, and instead shoot freezing beams and create fake clones with whom he can make a stronger blizzard attack if not dispelled in time. In his third phase (below 21 HP), he will also make himself and his illusions levitate. When beneath 38 HP, the Crystal King can also recover 20 HP up to twice, however, this will not revert him to an earlier phase.

When Mario defeats him, Crystal King says: "Oh no! The last Star Spirit!! King Bowser, forgive meeeeeeeee!!" before spinning and disappearing in a flurry of sparks.

Like the other bosses, Crystal King appears in the parade at the end during the credits. Two Duplighosts are impersonating him. The real Crystal King removes their disguises and proceeds to berate them until he is carried away by his Crystal Bits, much to his surprise.

Super Mario-kun
The Crystal King also makes an appearance in volume 27 of Super Mario-kun. Before the fight, the Crystal King announces his presence by using Ice Bolt to freeze Kooper. The Crystal King borrows his attacks from the original game, such as hurling Crystal Bits and creating duplicates of himself. After an assortment of attacks — including Mario's use of smelly clothing — Kooper uses a flaming shell to defeat the Crystal King.

Trivia

 * Although Crystal King is not weak to fire, he has no DEF towards it. This makes a rare situation where Fire Shell will deal more damage than expected, but not Fire Flowers.
 * Crystal King's copies are indistinguishable to his real self, but if he creates them while under the effects of Chill Out, the arrows signifying its effect will appear on the copies with a slight delay which can be used to tell them apart.