Board Thread:Episode Discussion/@comment-168.213.7.119-20160216153447/@comment-1987992-20160229163959

IIRC, Raven opens a portal by swinging her sword, and it can change color depend on the scabbard. I guess Raven's semblance can be various depend on the color of the sword and in this case, red allow her to open portal/send things to another dimension...