KHUCHI icon.png

Mysterious Sir

From the Kingdom Hearts Wiki, the Kingdom Hearts encyclopedia
Jump to navigationJump to search
I'm carrying on what you yourself began, and I'm creating a brand new world, one heart at a time.
Xemnas A 6★ KHUX.png
This article is under construction.

You are free to help improve it. Please consult the Manual of Style before doing so.

Oh no! The water! I'm in big trouble if I don't fetch it!
Fantasia Mickey B 6★ KHUX.png
This article requires cleanup or improvement.

Please help out by editing this page. Please see the Manual of Style and editing help before getting started.

Issues: Kingdom Hearts X information and stats

Mysterious Sir

The Mysterious Sir<span style="font-weight: normal">&#32;(<span class="t_nihongo_kanji" style="white-space:nowrap" lang="ja" xml:lang="ja">ミステリアススター</span><span class="t_nihongo_comma" style="display:none">,</span>&#32;<i>Misuteriasu Sutā</i><span class="t_nihongo_help noprint"><sup><span class="t_nihongo_icon" style="color: #00e; font: bold 80% sans-serif; text-decoration: none; padding: 0 .1em;">?</span></sup></span>, lit. "Mysterious Star")</span> Heartless that was introduced during the Final Fantasy Record Keeper collaboration event in February 2018.

Japanese ミステリアススター
Rōmaji Misuteriasu Sutā
Translation Mysterious Star

Type Emblem Heartless
Game Kingdom Hearts Union χ
Themes Header.png

KHUχ tracks
Battle theme - Dancing Mad
Mysterious Sir

Kingdom Hearts Union χ
This fun-loving fiend has lots of HP and powerful attacks. The battle will be a long one! Make sure you can heal yourself if you want to emerge victorious.

The Mysterious Sir is an Emblem Heartless that appears in Kingdom Hearts Union χ during the Final Fantasy Record Keeper collaboration event in 2018. It is based on Kefka from Final Fantasy VI, particularly his final boss form from the same game. His battle theme from Final Fantasy VI plays while fighting it.


The Mysterious Sir's appearance is heavily inspired by Kefka Palazzo's final form from Final Fantasy VI. It has a violet muscular humanoid body, with clawed hands and feet and the Heartless insignia on its chest. In terms of attire, it wears a salmon-colored kilt that is tattered and has golden lightning-shaped markings, as well as a ring on its right hand and twin silver and gold wings on its back. Its face bears a strong resemblance to Kefka's, being a pale grey with a pink mouth, yellow eyes with black sclera, and yellow hair akin to Kefka's, as well as a white and pink band that extends beyond the back of its head.

The Heartless is accompanied by three Gummi Copter-like Heartless inspired by the Warring Triad: Demon, Fiend, and Goddess. The Demon-based Heartless has a red color scheme, with a bronze wind-up and base. It bears the Heartless emblem on its front and has a horn pointing forwards, as well as two pairs of spikes jutting behind on both its right and left. The Goddess-based Heartless is blue with an elephant-like trunk, as well as a pink tail and bronze wings and tusks resembling Goddess's. The Fiend-based Heartless is navy-blue and sports an ivory mouth and copper horns and wings.