I killed the guy and almost died, I went behind the cart, the wave of troopers had already arrived, and instead of switching to them the tower decided to finish me off
It is 100% bug
here's a person who wrote about this bug (4 oct)
https://forums.playdeadlock.com/threads/doorman-cart-ignores-intangibility.84704
fix it pls, it is very annoying
The item's description says that it deals an additional 7% damage from the target's maximum health. I checked, and it turned out that it deals 7% of the current health.
Besides, the Spirit Burn item does not work from Tankbuster