Strength

One of the brothers of the six Shadow Spirits, very, very little is known about Strength, aside from those he's served in the past. Having become friends and eventually attached to Kage's half-brother, Shuyri (the Shadow Guardian), and later attaching to Shuyri's half-reincarnation, Mikage, Strength never speaks. Jokingly called Silence at time, Strength is one who stays calm in almost all situations, and quietly offers his powers when one is in need of protection or scared. Despite his name, he's a rather gentle creature, preferring to watch peaceful events and create relaxed situations rather than to spark needless worry. He is a fan of sparring every once in a while, however.

Strength is a seal Youkai, though he very rarely detaches from Mikage's side. As the half-breed often depends on his presence for support (especially after Siesta unexpectedly left his side), Strength is extremely hard to come into contact with. He seems to be on good terms with Sacri and Stealth, oddly enough. The most one might see that would hint to his presence to begin with is the boosted attacking power and potential of his host when in battle...