Firestone Research Tree 20

Research Tree

Icon	Name	Description	Levels	Effect
1st Column
	Attribute Armor	Increases armor of all heroes	60	68%
	Attribute Health	Increases health of all heroes	60	68%
	Attribute Damage	Increases damage of all heroes and guardians	60	68%
2nd Column
	Healer Specialization	Increases all attributes of Healer heroes	50	59%
	Tank Specialization	Increases all attributes of Tank heroes	50	59%
3rd Column
	Damage Specialization	Increases all attributes of Damage heroes	50	59%
4th Column
	Guardian Power	Increases the damage of all guardians	55	147%
5th Column
	Weak Boss	Reduces health of all boss enemies	30	1%*
	Weak Enemy	Reduces health of all non-boss enemies	30	1%*
6th Column
	Team Bonus	Increases all main attributes of the non-leader characters	60	56%
	Leadership	Increases all main attributes of the leader	60	56%
7th Column
	Powerless Boss	Reduces damage of boss enemies	30	1%*
	Powerless Enemy	Reduces damage of non-boss enemies	30	1%*
8th Column
	Raining Gold	Increases all gold earnings	55	54%
	Firestone Effect	Increases the firestone effect	30	110%*
	All Main Attributes	Increases all attributes of all heroes and guardians	55	60%

 * additive effect

Unlock Requirements

The unlock requirements for each column are:

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

Research Duration

The research duration starts at 16 hours 40 minutes for level 1 and increases gradually over the next 10 levels up to 26 hours.

Level	Duration
1	16h 40m
2	18h 40m
3	20h 20m
4	22h
5	22h 40m
6	23h
7	23h 40m
8	24h 20m
9	25h
10+	26h

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