Mudou

"“Devour my soul! Then become a rampaging power to destroy all! Show yourself… demon of isolation! Kaiju transformation! Dark Shadow Kaiju Mudou!” —Transformation call" Mudou (ムドウ) is a powerful dark kaiju that is the alternate stronger form of Sabato Kiryuu, a recurring antagonist-turned-anti-hero who first appeared in Senryuukaku vs. Mudou.

Abilities
Mudou is a terrifying adversary.
 * Invulnerability to conventional weaponry –
 * Kaiju-level strength –
 * Super agility –
 * Kaiju-level durability –

Attacks

 * Black Smog (黒鬼煙霧) –
 * Hell Flare (地獄雷輝) –
 * Cavalry Breakdown (魔馬薙刀) –
 * Chaos Spirit Release (魂沌壊放) –
 * Ominous Sealing Slash (封臨禍斬) –

Quotes

 * “Devour my soul! Then become a rampaging power to destroy all! Show yourself… Demon of isolation! Kaiju transformation! Dark Shadow Kaiju Mudou!” (我が魂を喰らえ！そして、全てを滅ぼす荒ぶる力となってその姿を見せよ！怒涛の鬼よ！怪獣変身！魔影の怪獣ムドウ！) (Transformation call)
 * “My soul is rampaging! Rampage, Mudou! In exchange for this soul… All that stands in my way will be devoured! Finisher! Ominous Sealing Slash!” (荒ぶれ、俺の魂！荒ぶれ、ムドウよ！この魂と引き換えに、行く手を阻む全ての者を食らい尽くせえぇぇぇっ！！必殺！封臨禍斬！！)

Trivia

 * Mudou's name stems from the kanji 無道, which means immorality or wickedness.