Regrettably, as of my last update in April 2023, I don't have specific information on a font named "KING ARTHUR" designed by Maelle Keita. However, the realm of typography is a canvas for creativity, and an artistically inclined mind such as Maelle Keita's tackling the legendary subject of King Arthur would likely produce a font that embodies the majesty, history, and mystery of Arthurian legends.

When imagining a font named "KING ARTHUR" by a creative artist like Maelle Keita, one could expect a design that seamlessly blends elements of medieval aesthetics with modern sensibilities. This font might feature strong, bold lines reflecting the strength and nobility of King Arthur himself, potentially mixed with intricately detailed serifs that echo the art and architecture of the medieval period. The serifs could be reminiscent of the ornate craftsmanship found in the armor, weapons, and manuscripts of the era, suggesting a blend of robustness and artistry.

Given the richness of the Arthurian legend, which is filled with tales of chivalry, magic, and adventure, the "KING ARTHUR" font could incorporate stylistic nods to Celtic patterns or Gothic motifs, paying homage to the historical and mythological roots of the stories. The letters might be designed in such a way that they invoke images of ancient castles, mysterious forests, and knights on noble quests. Moreover, special characters in the font, such as the ampersand or punctuation marks, could be particularly ornate, serving as miniature artistic masterpieces within the typeface itself.

While I cannot provide specific details on the "KING ARTHUR" font by Maelle Keita, the potential archetypes and design inspiration mentioned could be applicable to any artistic endeavor aimed at capturing the essence of King Arthur and his enduring legend. A blend of strength, elegance, and mystery would likely be at the heart of such a creative typographic project, crafted to stir the imagination and transport users back to a time of legend and heroism.