Soul system
You can open soul system by clicking on character animation in the bottom left corner ingame.
In soul system you can improve your bonuses for each race or monsters.
Improving

Azrael's soul

Nemere soul

Magic queen soul

Crystal king soul

Demon wolf soul

Meley soul

Crystal dungeon soul

Soul of demon

Toadstool soul

Marathon soul
Diamond
1000x

1400x

2000x

2400x

3000x

3400x

4000x

4400x

5000x

5400x

Diamond
1000x

1400x

2000x

2400x

3000x

3400x

4000x

4400x

5000x

5400x

Diamond
1000x

1400x

2000x

2400x

3000x

3400x

4000x

4400x

5000x

5400x

Soul
10x

10x

10x

10x

10x

10x

10x

10x

10x

10x

Yang
200.000.000.000

400.000.000.000

600.000.000.000

800.000.000.000

1.000.000.000.000

1.200.000.000.000

1.400.000.000.000

1.600.000.000.000

1.800.000.000.000

2.000.000.000.000

Improving preview