No. Sign language is not verbalNo mouth, no verbal components. and also no, verbal components must be spoken loud and clearly.

Where are you getting all the resistances from?

war caster doesnt solve the issue either for EK fyi

End of combat, we hear many enemies outside, we escape out a window in the back one by one.Last player tabs back in, asks what's going on, told were …

battle maneuvers expansion thats what they need.the overlord anime (which is somewhat based on dnd) did it before wotc

if i’ll ever play a serious dedicated martial (apart frommonk) i’ll use homebrew