Invincible + exhilarating + domineering character + doesn't eat beef + suffers no injustice or hardship + decisive in killing + crossover across multiple worlds and anime + harem (already experienced Ling Cage, Super God, Godzilla, Pacific Rim, Love Continent, currently in Mortal Realm...). Wang Yan, having fused with the Infinity Stones, has traversed the multiverse for many years. One day, Wang Yan arrives in a post-apocalyptic wasteland. Here, Devouring Beasts roam, and eerie Mana flowers bloom everywhere. Wang Yan: "Nirvana? Ash? Is this the Ling Cage world?" His mind scan covers the entire globe, and Wang Yan instantly finds his target. A spatial portal unfolds, and he abruptly descends upon the ecological frontier of Dragon Bone Village. ...The synopsis is insufficient; please read the main text.

When the Blacklight Virus came to the One Punch World and had a chat group.

Group leader Zhao Zheng: "Brother Corpse Little King Kong is nothing. I rely on the Bald Big Devil to become a god-level disaster! Tornado on the left! Blizzard on the right!"

Qilin from Super Seminary: "The Taotie and demons who slaughtered the people on Earth were being called names by the group leader. I heard they even tasted like chicken?"

Uzumaki Naruto of the Ninja World: "What are aliens? The tailed beasts and Otsutsuki here have been eaten by the group leader."

Adventures of Xiaoyu: "Eight demons, twelve spells, and nine ghost masks are all nutrients for the group leader!"

Demon Slayer Nezuko: "They say that demons eat people and make people afraid, but the group leader makes demons afraid and eats them!"

Dagu: "The monsters here have almost been eaten."

Ye Hei: "What's your side? In my restricted area, everyone who tried to start a dark turmoil was eaten up by the group leader, and it became the dark turmoil of the restricted area!"

Naruto, Super God, Jackie Chan Adventures, Armor, One Piece, Demon Slayer, Dragon Maid, Valkyrie, Dragon Ball, Marvel, DC, Ultraman, Covering the Sky, Perfect...

…

Many years later, thanks to the chat group of all heavens and worlds, Zhao Zheng became the most powerful and supreme being in the heavens amid the cheers of his group members who were the most benevolent, kind, supreme and powerful!