Exotic Upgrade Tree 18

All upgrades are multiplicative unless stated otherwise.

Icon	Name	Increases	Base cost	Effect per level	Base level requirement
	Raining gold	Gold earnings	1920	35%	381
	All main attributes	Main attributes of all heroes and guardians	1920	30%	381
	Guardian power	Damage of all guardians	480	35%	382
	Firestone effect	Firestone effect	1320	30%*	382
	Damage specialization	Main attributes of all damage heroes	1440	35%	383
	Healer specialization	Main attributes of all healer heroes	1440	35%	383
	Tank specialization	Main attributes of all tank heroes	1440	35%	384
	Prestigious	Firestones earned after prestige	1920	30%	384
	Skip stage 7400–7600	Chance to skip a stage between 7400 and 7600	240	1%*	385
	Skip wave 7400–7600	Chance to skip a wave between 7400 and 7600	240	1%*	385
	Skip stage 7600–7800	Chance to skip a stage between 7600 and 7800	240	1%*	386
	Skip wave 7600–7800	Chance to skip a wave between 7600 and 7800	240	1%*	386

* additive effect

The total cost to finish tree 18 is 738,240 exotic coins.

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