Mortars are so hard for me to balance for some reason. I’ll make sure to make the enemies take slightly less damage in the next update. Thanks for the feedback!
They all start with the same base stats, but the enemies have certain number of upgrades unlocked, so their hp, damage etc get scaled as well. However since the upgrade path the player takes may not be same as the enemy, they end up being different feeling. I will work on trying to figure out a more elegant solution!