Exotic Upgrade Tree 17

All upgrades are multiplicative unless stated otherwise.

Icon	Name	Increases	Base cost	Effect per level	Base level requirement
	Raining gold	Gold earnings	1920	35%	371
	All main attributes	Main attributes of all heroes and guardians	1920	30%	371
	Guardian power	Damage of all guardians	480	35%	372
	Firestone effect	Firestone effect	1320	30%*	372
	Heroes' damage	Damage of all heroes	1440	35%	373
	Attribute health	Health of all heroes	1440	35%	373
	Attribute armor	Armor of all heroes	1440	35%	374
	Prestigious	Firestones earned after prestige	1920	30%	374
	Skip stage 7000–7200	Chance to skip a stage between 7000 and 7200	240	1%*	375
	Skip wave 7000–7200	Chance to skip a wave between 7000 and 7200	240	1%*	375
	Skip stage 7200–7400	Chance to skip a stage between 7200 and 7400	240	1%*	376
	Skip wave 7200–7400	Chance to skip a wave between 7200 and 7400	240	1%*	376

* additive effect

The total cost to finish tree 17 is 738,240 exotic coins.

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