Thunder looked at what was happening, even though because of the distance he could not see it directly so he could feel the movements of what was happening in his domain. He didn't want to admit that the defense was amazing, after all it was something his army could do as well.
What he admired was that in this time he could sense how two groups had split up to set traps in various areas of the forest. Not to mention the quick reaction to change attack strategy on Katerin's part.
"Tunnels?" Thunder asked without much understanding what they were planning to do. He watched as the vampires began to enter the tunnels that a Viscount began to create thanks to his ability to control the earth.