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"When I am the Mega Man King, I will rid the Earth of self-serving humans!"
―Thetis, Mega Man ZX Advent

Thetis (テティス Tetisu, lit. "Tethys") is a boss from Mega Man ZX Advent who is the Biomatch for Biometal Model L. He is one of the four rival Mega Men who seeks to empower Model W and win the Game of Destiny. He is fought in the Highway.

Appearance[]

Thetis is a young Reploid boy with short blue hair with a single "ahoge" strand standing upright. He is characterized by his innocent, vibrant expression. He wears his Mega Man jacket right under a large hoodie, and though he's sporting a pair of white thigh-high socks, he doesn't appear to be wearing any pants.

Thetis has a red triangle on his forehead, confirming his status as a Reploid. Despite this, Grey calls him a human and Thetis doesn't correct him, though this may have been referring to both Humanoids and Reploids as "humans" altogether.[1]

Personality[]

Thetis is an outwardly pleasant person, often smiling and speaking in a bright tone. He loves swimming and has a deep obsession with the ocean and sea life, preferring nature over other people.[2] He shares the dangerous playfulness of Model L's template, Fairy Leviathan, being a skilled warrior despite his gentle temperament.

However, Thetis truly harbors furious misanthropy.[3] Due to pollution and overpopulation damaging the seas, he participates in the Game of Destiny to gain the power to restore the Earth to its pure state - in other words, to annihilate humanity. However, he considers himself and other Mega Men to be exceptional from the rest of humanity, and it can be assumed that he planned to live in the world alone afterwards.

History[]

Background[]

Little is known about Thetis' past, but he feels a strong affinity to the world's oceans. He was approached by Prometheus and Pandora with Model L and chose to join the Game of Destiny to punish humanity for polluting the seas.

Mega Man ZX Advent[]

Thetis first appears with Atlas in the Arctic Ice Floe, showing off their Megamerges. He states that he "isn't in the mood" to fight Grey/Ashe yet, and Atlas destroys the ice to plunge them into the freezing lake where Chronoforce the Xiphosuroid awaits.

ZXAFL

Thetis and Atlas meet Mega Man Model A.

The player encounters Thetis again at the Highway, where he is attacking civilians to feed a Model W. He requests Grey/Ashe joins him underwater, where he shows them the pollution caused by humanity and reveals his plan to purge them from the planet. He fights them and is defeated, forcing him to retreat with the Model W. Model A copies his DNA for A-Trans, which also unlocks a cipher that reveals the roles of Prometheus and Pandora in the Game of Destiny.

After Grey/Ashe defeats the Pseudoroids in Ouroboros, Thetis appears with the other Mega Men to interrupt their pursuit of Master Albert. Vent/Aile holds them off until Grey/Ashe can defeat Albert, resulting in the fall of Ouroboros. Model Z separates to immobilize the Biometals of Thetis and the others, forcing them to fall with Ouroboros.

However, Thetis survives. In the secret Expert Mode ending, Thetis appears with Master Thomas alongside the other Mega Men. The significance of this has yet to be revealed, although he and the others appearing immediately after Thomas alludes to the Reploid immortality data and original human bodies implies that they were somehow connected to Thomas and Albert's plans involving the discarded data/bodies.

Attacks[]

Thetis attacks with ice projectiles and his halberd. The arena is underwater, reminiscent of Fairy Leviathan's battlefield in the Mega Man Zero series, with Thetis swimming around while attacking.

Attack Descripton Notes
Screw Halberd Thetis dash-swims around the screen and twirls the halberd around. Sometimes he feints this attack.
Slash Halberd Thetis stops while dash-swimming and fires off a triangular wave of energy. The attack is similar to Childre Inarabitta's Ear Shot.
Freezing Dragon Charge attack. Thetis fires off a pair of ice dragons that home in on him. Can be countered using a fire attack or the Homing Shot. Only used against Grey.
Ice Sticker Charge attack. Thetis manifests a thick, spiky ice formation which he then shatters, releasing seven ice shards. Can be countered using a fire attack or the Homing Shot. Only used against Ashe.
Maelstrom His ultimate attack involves him summoning a machine from underground that shoots out several snowflakes, and then proceeds to create a vacuum that sucks in everything nearby, the snowflakes themselves having been dispersed about by the force. The flakes can be destroyed before the vacuum effect occurs using the Homing Shot.

A-Trans[]

Main article: Model L

Quotes[]

Action Romaji Japanese English
Transform Rokkuon! ロックオン! Megamerge!
Water dash (side) Hora hora! Ahaha! (Looky, looky! Ahahah!) ほらほら あははっ Awwwww.... Hahaha!
Water dash (above) Osoi na! おそいなぁ! Too late!
Screw Halberd Ei! えいっ! Hey!
Slash Halberd Kurae! くらえっ! Take this!
Freezing Dragon Dete koi! (Come out!) 出てこいっ! Dragon!
Forming and then firing Ice Sticker Muda da yo! Sore!! (It's no use! There!!) ムダだよ!それっ! Don't think so! There!
Maelstrom Tanoshī daro? 楽しいだろ? Having fun?

Other appearances[]

Rockman ZX Advent (manga)[]

Thetis makes a brief appearance alongside the other Mega Men at the end of the story, as the Game of Destiny is about to begin.

Gallery[]

Etymology[]

  • Thetis is named after a female sea nymph of Greek mythology, Thetis. His Japanese namesake, Tethys, is an ocean/sea from the time of the dinosaurs, in turn named after the Greek titaness Tethys. It is also the name of one of the moons of Saturn, keeping in theme with the other Mega Man.

Trivia[]

  • Thetis and Aeolus are the only antagonistic Mega Men who appear to have noble intentions for seeking out Model W, with Thetis claiming that he is trying to make the world a better place by fighting pollution.

References[]

  1. Grey: So you take innocent lives!? You kill humans just like yourself. // Thetis: Like me? No, me and the others are no ordinary humans, we are Mega Men! And after I finish you off, I will be even more powerful. When I am the Mega Man King, I will rid the Earth of self-serving humans!
  2. Rockman ZX Series Official Blog (archive)
  3. "Model L Biomatch (Ice Mega Man). At a glance, he's an upstanding, kind, model-citizen. But, there's a nasty side to him too. He intends to punish people for polluting the sea with waste." - Disk No. B12 (Thetis), Mega Man ZX Advent.


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