Hero Promotion

== Introduction ==
To promote a hero, you need to meet the level requirements and have enough Essence of Hero for the hero.
The level requirement and the amount of Secrets of Hero vary depending on the hero's stars.
You can use Essences of Hero at the Promotion menu to promote the hero. Essences of Hero used in Promotion menu count towards the hero's promotion.
== Hero Promotion ==
* ★1 ▶ ★2: Required Hero Lv. 15, Required Secrets of Hero: 50 Essences.
* ★2 ▶ ★3: Required Hero Lv. 25, Required Secrets of Hero: 100 Essences.
* ★3 ▶ ★4: Required Hero Lv. 30, Required Secrets of Hero: 150 Essences.
* ★4 ▶ ★5: Required Hero Lv. 40, Required Secrets of Hero: 200 Essences.
If you collect required number of Essences of Hero, and achieve require hero level,	
You can promote the hero like this 	
Promoted! 	
== ★6 Hero Promotion ==
Heroes promoted to 6★ receive bonus stats on HP, ATK, or DEF randomly. Bonus stats are given 6 times.
For each bonus stats given, HP is increased by 300, ATK by 100, and DEF by 100.
Heroes at 6★ can be re-promoted using half the promotion costs. Re-promoted heroes can change the bonus stats given or keep the previous bonus stats after re-promotion.
★5 Hero needs to be Lv. 50 & 600 Essences have to be collected.	
Let's promote ★5 Hero to ★6! 	
Promoted! Randomly bonus stats are given 6 times.
Through this promotion, HP, ATK, and DEF bonus stats are given each twice.	
If you do not like the bonus stats, you can re-promote.
For re-promotion, 300 Essences are needed.	
After re-promotion, you can choose previous one or new one. 	
== ★6 Hero can be leveled up to SLv. ==
Once ★5 Hero is promoted to ★6, the hero can be leveled up to SLv.
★6 Hero can be level up to SLv. 10.
Try leveling up your hero to SLv. 10!