New stealth legend

New legend idea? I came up with a possible new legend and want to pass it by yall to hopefully see it in game someday.

I want to leave the name and backstory up to the devs and other fans for a more diverse character.

Ultimate ability: throws down a fake purple or gold weapon accessory that acts as a tracker of sorts when picked up by an enemy player.

Tactical ability: just a throwing knife. This can be given an ability if yall want to but I think it would be fine as just a normal throwing knife.

Passive ability: can hang off ledges and when an enemy gets close enough they can preform a sneak attack that insta knocks players in purple or lower armor. I believe this would be balanced because of how rare it would occur in any given game.

This is just a suggestion but I'm curious as to what yall think of the idea.