Jungle Wars: Three levels of rhino

Here are some screen shots showing the changing value of rhinos as they move from level 1 (top) to level 3 (bottom).

I have been training these guys because I need to spend mana.

The upgrades are probably not worth it unless you have mana to burn. Here's what level 2 to level 3 gets us:

The hitpoints look good but are not what they seem. One energy ball can take down a rhino quickly.