Helpful tip: Get 9999 mana by increasing your mana total, while doing that, level up your castles crossbow (if able to), once that's done, and you have 9999/9999 mana, unlock everything else. After that, press K, W and U to summon LOTS of Paladins, Archers and Cannons. Hope this helps!
note: must have level 3 Tower and Barrack Research
I noticed as log as you keep a nice distance, and you have 1 or more attached to you, they slow down and it isn't hard to not die. + this to keep this comment alive and help others!
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