的: (historical) (by extension from the red-light district usage) term of third-person reference: that guy, that one

enemy / foe

to rival

成り掛ける: to be on the verge, to be on the brink.

賭け: gambling, betting / 掛: credit / soba served in a hot soup

to call by phone

when it comes to... / in the filed of...

to address someone, to direct, to do (something to someone) / to be about to, to begin / in the middle of, to begin (not complete)

video game console

game / video game