This certainly wasn't ironclad. Just like the walls could be scaled or flown over, it was possible to go beneath them despite efforts to remove the possibility. And as the city was currently focusing its power on suppressing the enemies still inside, there wasn't much they could do but stay on guard.
A creature efficient at digging was certainly a problem. If it was capable enough, it could pierce through the hardened earth. Certain demons were known for being capable of breaking the walls themselves. There also existed such siege weapons.
However, the siege weapons were outranged by magic towers. 'There must be some of them. I'd expect Vodi or something similar to be present too,' Evale thought, her eyes attempting to peer into the enhanced darkness of the night. The light of the stars unable to reach the ground.
