Merlin from Fate/Prototype & Fate/Grand Order. Grand Order outfits, didn't know what to name the post so I just went with Prototype

Prompts

1st Ascension Lady Avalon

proto_merlin, asc1_merlin, white hair, very long hair, ahoge, pointy ears, pink eyes, turtleneck, popped collar, short dress, white dress, tailcoat, long sleeves, white sleeves, furisode, black gloves, fingerless gloves, black pants, tight pants, gold trim, gold footwear

1st Ascension Arcade

proto_merlin, asc1_merlin, white hair, very long hair, pointy ears, pink eyes, hood, hood up, turtleneck, short dress, white dress, tailcoat, long sleeves, white sleeves, furisode, black gloves, fingerless gloves, black pants, tight pants, gold trim, gold footwear

2nd Ascension Lady Avalon

proto_merlin, swim_avalon, white hair, very long hair, twintails, ahoge, pointy ears, pink eyes, halterneck, white bikini, frilled bikini, cleavage cutout, white jacket, bare shoulders, short sleeves, garter belt, multi-strapped bikini bottom, garter strap, thigh strap, ankle strap, white heels

3rd Ascension Lady Avalon

proto_merlin, asc3_avalon, white hair, very long hair, ahoge, pointy ears, pink eyes, hair bow, white bow, turtleneck, medium dress, white dress, covered navel, detached sleeves, white sleeves, furisode, black gloves, white gloves, two-tone gloves, waist cape, white pants, tight pants, white heels

3rd Ascension Arcade

proto_merlin, asc3_arcade, white hair, very long hair, ahoge, pointy ears, pink eyes, hagoromo, turtleneck, short dress, white dress, long sleeves, white sleeves, furisode, black gloves, fingerless gloves, waist cape, black pants, tight pants, gold trim, gold footwear