Trillion HP but why did Mandelbrot deal way more than Trillion and dummy is still alive. It would have been instantly killed. Well dummy being unkillable makes a good dummy but just how Mandelbrot deals many figures of billion but the dummy is still alive but he drawed so many times.
Maybe the massive health regeneration is actually enough to make sure that even if you deal more damage than its HP, it regens enough to not die somehow.
It acts like the old leech affix where you could heal the amount you damage or the damaged . My guess is that dummy uses leech. Leech was nerfed because you could never die with leech unless leech nerfs.
This is Mandelbrot screenshot after this many draws. 250 rounds meaning he quit 250 times and dealt that much damage. I definitely think the dummy is using some kind of leech effect to stay alive even after being dealt damage way over trillion HP .
Although trillion HP is still enough in and of itself in PvP dummy because no build needs to deal trillion damage in PvP unless you quit rounds in dummy so much or draw the opponent so much.