Enen No Shouboutai Episode 18 -

: Highlight the arrival of Viktor Licht , whose mysterious ties to Joker make him a point of tension for the rest of Company 8.

: Benimaru teaches Shinra the tenokata (hand forms/signs) to focus his fire propulsion. By using a specific hand gesture, Shinra learns to condense his flames for more explosive speed and power, moving him closer to a "finishing move". Enen no Shouboutai Episode 18

:If you were looking for later seasons, Episode 18 in those arcs covers very different ground: : Highlight the arrival of Viktor Licht ,