I Spent Hours Combining To The Ultimate Upgrade

Let's make the ultimate stronghold and defeat the horde. Zombies want my beautiful brain, but they can't have it. I'm busy using it to destroy them systematically. Game: Defensurvivor - https://store.steampowered.com/app/2341760/Defensurvivor/ Music provided by: (Epidemic Sound) http://www.epidemicsound.com/