Shadow Ring

Shadow Ring (シャドーリング, Shadōringu) is the A-Class Rank 32 professional hero from the Hero Association and a ninja from an unknown village.

Appearance
Shadow Ring attire consist of a black ninja garb that completely covers her face and body.

History
Shadow Ring trained at a ninja village different from the one that Flashy Flash trained in.

Monster Association Arc
Shadow Ring is one of the heroes recruited as the support group for the main Monster Association strike team. She kills some Mysterious Beings and is complimented by Flashy Flash for her combat skills.

Abilities and Powers
Being an A-Class hero, Shadow Ring is a rather powerful individual. She is complimented by Flashy Flash for her combat skills.

Equipment
Katana: Shadow Ring uses a katana to attack monsters.

Trivia

 * Shadow Ring is the first female ninja shown and the only ninja without a redundant name e.g Speed-o'-Sound Sonic, Hellfire Flame and Gale Wind.
 * Yusuke Murata considered giving Shadow Ring an unexpected look underneath her ninja garb.