This emote named Magic Archer Magic Bow is going to be available to unlock in the challenge.
Magic Archer holds his right hand against his face. A light orb starts to glow in his hand and becomes a sparkling Magic Bow.
You can Unlock this at the Super Magic Archer challenge.
This emote is not exclusive means you can get it later from the shop. This emote might appear first for some real money offer and later on offered with gems.
You can get this later at a cost of 250 gems.