[He immediately pulls out from the leaves what looks like........A tablet?

And latches it around his arm.] It is a device which displays solid holograms; they are capable of, in many cases, inflicting actual force...however primarily, I, the man Gongenzaka, used these to create a more sturdy shield during the battles which the Carnival was forced to wage. Actual combat...

...I, the man Gongenzaka, was my own 'weapon'. [...To be fair, those Are big teeth.]