Spoiler
Where did lima's scars go???
Due to the effect of sak's core when he almost went insane from lima almost dying. Sak's ability was to target and eliminate the virus but his core's ability got altered in order to protect Lima. His core affected everything around them to be in extreme pain but had the side effect of healing Lima, including his old scars, and bringing him back from the brink of death. (=・ω・=)
The most fascinating thing about this is day's personality. It's so interesting he seems angry but it's not genuine anger. He doesn't hate anyone even after they do messed up thing. It's very interesting. Even after ilay has done all the things he did, tay doesn't hate him at all.