How Fast Can The Newly Buffed Blazing Gem Kill a Boss | Kingdom Rush Battles

When Hammerhold update dropped Blazing Gem along with Holy Sancutary and the old dragons got buffed so I thought to try it to see if it's good now but I think this tower will never be good even with so many damage buffs, it needs a clear path so it can target the boss or the tanky units which doesn't work with this type of game. I got lucky that here that the boss was the first think that came out of the portal so the Blazing Gem could target him also Vez'nans demon form it's very good for stalling but if it were J.T. , I don't know if I could have killed it with the tower I was showcasing