Essence of Hero

== Introduction ==
A material needed to summon, promote the hero or unlock gem skill slots.
== How to Obtain ==
# Hunt: It can be obtained from hunting monsters with the hero as a leader.
# Summon: It can be obtained from Summoning Hero
			
== Usage ==
- Hero Summon: If you collect certain number of Essences, you can summon the hero.
- Hero Promotion
- Gem Skill