Monster Has HP Bar is a handy utility that will help you to calculate monster HP in your games easily.

This handy utility is not only a good source of information but also a great way to get some fun.

To install the extension, just download and install the extension, then open the game. Monster Has HP Bar should appear at the top of the screen.

It comes with some configurable options, you can also set the font size, position, and whether you want the bar to appear on the bottom of the screen or on the top of the screen.