Firestone Research Tree 4

Research Tree

Icon	Name	Description	Levels	Effect
1st Column
	All Main Attributes	Increases all attributes of all heroes and guardians	60	33%
2nd Column
	Powerless Enemy	Reduces damage of non-boss enemies	20	1%*
	Powerless Boss	Reduces damage of boss enemies	20	1%*
3rd Column
	Tank Specialization	Increases all attributes of Tank heroes	50	40%
	Damage Specialization	Increases all attributes of Damage heroes	50	40%
	Healer Specialization	Increases all attributes of Healer heroes	50	40%
4th Column
	Firestone Effect	Increases the firestone effect	40	30%*
5th Column
	Weak Enemy	Reduces health of all non-boss enemies	20	1%*
	Weak Boss	Reduces health of all boss enemies	20	1%*
6th Column
	Leadership	Increases all main attributes of the leader	60	30%
	Team Bonus	Increases all main attributes of the non-leader characters	60	30%
7th Column
	Attribute Health	Increases health of all heroes	60	33%
	Attribute Armor	Increases armor of all heroes	60	33%
8th Column
	Guardian Power	Increases the damage of all guardians	60	72%
	Raining Gold	Increases gold earnings	50	30%
	Attribute Damage	Increases damage of all heroes and guardians	60	33%

 * additive effect

Unlock Requirements

The unlock requirements for each column are:

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

Research Duration

The research duration starts at 4 hours 40 minutes for level 1 and increases gradually over the next 10 levels up to 10 hours.

Level	Duration
1	4h 40m
2	5h
3	5h 20m
4	6h
5	6h 40m
6	7h 20m
7	8h
8	8h 40m
9	9h 20m
10+	10h

The total time required to finish all researches with 2 research slots is 144 days 12 hours.

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