Hero guide

In order to check your hero info you can use the /hero command.

Below you can find the requirements to upgrade your hero level.

Hero level requirements:
Lv0-50: 1x [SR] Hero Medal
Lv51-85: 2x [SR] Hero Medal
Lv86-95: 5x [SR] Hero Medal & 1x 100k Gold Note
Lv96-100: 10x [SR] Hero Medal & 2x 100k Gold Note
Lv101-105: Hero Medal Lv101/Lv102/Lv103/Lv104/Lv105
 

Hero Medal Lv101 can be obtained from Story quest #9.
Hero Medal Lv102/Lv103/Lv104/Lv105 can be obtained by finishing the quests at Hero NPC (2198,2788).

For hero level 1-100 you will receive the following:
STR, ACC, SPR +2 and AGI, CON +1 and BP +500

For level above 100:
Lv101: STR, ACC, SPR +5  and AGI, CON +2 and BP +1000
Lv102: STR, ACC, SPR +10 and AGI, CON +5 and BP +1500
Lv103: STR, ACC, SPR +15 and AGI, CON +7 and BP +2000
Lv104: STR, ACC, SPR +20 and AGI, CON +10 and BP +2500
Lv105: STR, ACC, SPR +40 and AGI, CON +20 and BP +3000

Hero Quest Lv101

Hero Quest Lv102

Skeletal Minion, Werewolf Minion and 1xDarken Boss King can be found in DI Floor 1.
Demonic Leopard, Zefoo Man and Darken Boss King can be found in DI Floor 2.

Hero Quest Lv103

Undead Pirates can be found in zephyr. For Cave Chest and Pirate Captain use /binfo command for more info.

Hero Quest Lv104

Darken Boss King can be found in DI Floor 1 & 2. For the rest of the bosses use /binfo command.

Hero Quest Lv105

Lava Dragon and The Dragon can be found in Kyjj.
Snowman Warlord and Wandering Soul can be found in Demonic World (DW).
Darken Boss King and Nightmare same as the other quests.