<u>Playing Tips ('''WARNING - SPOILERS''')</u>:
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[[File:Demon_Eyes_SwarmingDemon_Eyes.png|A Demon Eye and a bunch of Demon Eyes swarming a hero.|100px230px|thumb]]Chaos Three enemies have hefty defenses against projectile attacks with reflective shields, so unless you have Piercing MODs on your Relics, try using AOE based attacks such as auras, traps, and nodes on normal lanes. All air enemies are [https://terraria.gamepedia.com/Demon_Eye Demon Eyes] (A unique type of enemies from the world of Teraria.) which are mini eyeballs that tracks and attack only the hero. They do not attack any type of tower or the crystal. Waves 1, 3, and 5 have infinite building timers, however Waves 2 and 4 start automatically after 30 seconds unless you ready-up before then.
<u>In order to survive to wave 5, the next two points are something that the players have to be aware of -</u>
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[[File:Eye_of_Cthulhu_forms.png|Left - The Eye of Cthulhu's form in it's first phase. Right, - The Eye of Cthulhu's form in it's second phase.|thumb]]
'''Wave 5 : The Eye of Cthulhu -''' The final wave is a Boss round and enemies will infinitely spawn until the Boss is defeated, which will then end the stage immediately. The Boss is The [https://terraria.gamepedia.com/Eye_of_Cthulhu Eye of Cthulhu] which is a giant eyeball that's also a unique enemy from Terraria alongside [https://terraria.gamepedia.com/Demon_Eye Demon Eyes]. It spawns randomly from either air spawn point, and it can be seen on the schedule before the wave starts.
This boss has two phases -