I very rarely see players using shield bash, it's able to stun at the cost of half your shield regardless of your current gear, it's useful in some situations .. and not just for breaking blocks.
The thought of being able to buff up the damage of Shield Bash outside of sprite abilities and weapon damage pickups sounded like an interesting thought I had when I was playing around with shield bashing. I was disappointed to notice that heat didn't affect the Shield Bash damage while looking into it.