I've found character coherence is much stronger in this 3-in-1, the number of training steps is 2-3x that of a single character LoRA.

Ocean Song Soraka, default skin and 2 chromas (red and white)
os_soraka, purple skin, pointed ears, long unicorn horn, jeweled headpiece, fitted fantasy bodice, gold ornaments, long gloves, flowing split overskirt, high-cut bodysuit, fitted thigh-high boots, flowing layered skirt panels

Weapon
long ornate magic staff

Chroma
os_soraka_def
long mint green hair, blue cyan and violet color scheme

Chroma
os_soraka_red
long red hair, red burgundy teal and orange color scheme

Chroma
os_soraka_white
long white and pale lavender hair, white lilac and deep purple color scheme