This is Rikas form at the end of volume 3. Something so drastic happens that she goes crazy for the 1st time in the series. Rika is a very calculating, powerful, character so to see her so crazy is very powerful.
In volume 3 something crazy happens to Rika. Buy the light novel today! Buy the book and support the series! ^^ Chaotic Helleaven Volume 1 https://www.amazon.com/dp/1491046651/ref=cm_sw_r_cp_apa_i_TTF6Cb8AX6EPR Chaotic Helleaven Volume 2 https://www.amazon.com/dp/109989686X/ref=cm_sw_r_cp_apa_i_mUF6CbGKMHS4J Check out ChaoticHelleaven (@CHelleaven): https://twitter.com/CHelleaven?s=09