4/4 Morph is a new Gameplay Mechanic that morphs 4 towers of the same type (2 being 4/2 and 2 being 2/4, no exceptions) into one 4/4 tower. This costs an additional price of 1/3 the combined total price of the towers being morphed. It is unlocked for each tower at double the rank that level 4 upgrades are unlocked for that tower (maximum rank 100). You can even do this for 5/5 towers, but all morphs are unlocked at rank 100 and it costs 2/3 of the total cost of the towers involved.

4/4 Towers that are morphed

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