[[okita souji alter (swimsuit saber) (fate)|Okita Souji Alter Swimsuit Saber]] in her Third Ascension swimsuit from [[Fate/Grand Order]]. The long part of her hair that is in a ponytail changes to a fiery orange color, and she wears a white bikini with black trim, black armor around her waist, thigh length black greaves, and carries a shield plus Rengoku in sword form.

Rengoku's small girl personification is absent for this Ascension.
okita souji alter (swimsuit saber) (third ascension) (fate)