Mine nodes are low effort work and here's why
https://youtu.be/A2wNBRz0NnE
First, galvatron fails to destroy pigs due to the misplacement of stalagmites.
https://drive.google.com/open?id=0B3UEvfmMgeaWV1FlelhzeW94bnFfSVVKQkx1ZlBkcUNtNU1F
Sentinel prime fails to hit the target due to the cave pillar placement.
These are few of the annoying things. Razir also posted about the blocks appearing in the bots face and I believe it does damage too.