Mercenary Level 100

Kill boss 20 times.

Artifact level 10

Mercenary level up 500 times

Hire 5 2star mercenary

Stage clear 1,000 times

Spend 1,000,000 gold

100 stage clear

Wall Level 100

1 artifact.

Spend 100 gems

User skill max level

Kill 10,000 monsters

User Level 10

Kill miki 30 times.

Hanna level 100

Learn user skill.

Hire 5 1star mercenarys.