She dons a white crown that covers her eyes, and a black robe, as well as black gloves. Like all fire keepers, she can transform souls into raw power. She allows the user to upgrade their stats individually in exchange for a determined amount of souls per level. The Fire Keeper tends to Firelink Shrine and serves the User throughout their long and arduous journey. She is a blind maiden of unknown origin.

L is very intelligent, though his disheveled and languid appearance masks his great powers of deduction and many question his abilities upon viewing him. L tends to second-guess everything he is presented with, and is extremely meticulous and analytical.

Immortal Hulk is the result of Bruce Banner and the Hulk having been through different deaths and rebirths, allowing the Devil Hulk to seal the other incarnations away and become the dominant Hulk persona. Unlike the other Hulk incarnations, Immortal Hulk is content with waiting inside Banner.

Rider is silent, sultry, blunt, and vigilant, never hesitating to shield her Master from harm. She is always faithful to her Master. She is not openly talkative, and she prefers to analyze people and their actions.

The Hassan of Serenity's most notable trait is her Noble Phantasm, Zabaniya: Delusional Poison Body. Her body resists every single poison, while simultaneously, it is a lump of poison too. Not only her nails, but even her skin and bodily fluids would act as deadly poison as well. Obedient, and lacking self-assertion. In her youth, she was merely a girl who conducted assassinations very mechanically. Even now where she became a Heroic Spirit, those characteristics have not changed as much.