Firestone Research Tree 21

Research Tree

Icon	Name	Description	Levels	Effect
1st Column
	Raining Gold	Increases all gold earnings	55	56%
	Firestone Effect	Increases the firestone effect	30	110%*
2nd Column
	Attribute Health	Increases health of all heroes	60	68%
	Attribute Damage	Increases damage of all heroes and guardians	60	68%
	Attribute Armor	Increases armor of all heroes	60	68%
3rd Column
	Fist Fight	Increases all attributes of melee heroes	55	63%
	Precision	Increases all attributes of ranged heroes	55	63%
4th Column
	Magic Spells	Increases all attributes of spellcaster heroes	55	63%
5th Column
	Rage Heroes	Increases all attributes of heroes using Rage	60	58%
	Energy Heroes	Increases all attributes of heroes using Energy	60	58%
6th Column
	Mana Heroes	Increases all attributes of heroes using Mana	60	58%
7th Column
	Damage Specialization	Increases all attributes of Damage heroes	50	62%
	Healer Specialization	Increases all attributes of Healer heroes	50	62%
	Tank Specialization	Increases all attributes of Tank heroes	50	62%
8th Column
	All Main Attributes	Increases all attributes of all heroes and guardians	55	62%
	Guardian Power	Increases the damage of all guardians	55	316%

 * additive effect

Unlock Requirements

The unlock requirements for each column are:

• Column 2 requires 7 levels in the previous research
• Column 3 requires 8 levels in the previous researches
• Column 4 requires 9 levels in the previous researches
• Column 5 requires 10 levels in the previous research
• Column 6 requires 10 levels in the previous researches
• Column 7 requires 9 levels in the previous researches
• Column 8 requires 10 levels in the previous researches

Research Duration

The research duration starts at 17 hours 40 minutes for level 1 and increases gradually over the next 10 levels up to 27 hours.

Level	Duration
1	17h 40m
2	19h 40m
3	21h 20m
4	23h
5	23h 40m
6	24h
7	24h 40m
8	25h 20m
9	26h
10+	27h

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