I had a quick play with using stencils in Blender. It's a bit fiddly due to the UV distortion, but with a bit of trial and error I think you could get it pretty close. It might be easier to do the arrow head and the line as two separate stencils.
Here's a video that covers the basics of using stencils - https://www.youtube.com/watch?v=urUdMbO4E2c&t=155s
Edit: OK, I played around with it some more. Try these on for size:
Game-ready textures, source masks, and Blender file attached: Malak Airbender_Source.7z