These new sketches look amazing! I like the first one, with the focus on Braum, since he's the champion here, and is the one who is supposed to be the focus! Then my eyes are drawn to the lion's glowing eyes, which is very nice!
I like the middle one too, but I think it should come down to where you want your focal point to be. Is it the shield, or Braum's face, or his juggling? The first one looks like the focus is on Braum and his juggling, but the shield is getting a bit lost. The second one my eyes immediately look at the shield before the…
EDIT: Here are some quite small thumbnails for possible composition ideas. I want to reflect his kindness and strength so I have been playing with a few ideas on how I could go about showing that. Next I plan to have a few variations of shield designs "a la" Steampunk drawn up. Here are some costume designs for my entry…