Level   Description
1       + 1 Backstab      + 1 Open Wounds
2       + 1 Stealth       + 1 Open Wounds
3       + 1 Stealth
4       + 1 Open Wounds   + 1 Damage
5       + 1 Backstab      + 1 Open Wounds
6       + 1 Stealth       + 1 Open Wounds
7       + 1 Stealth
8       + 1 Open Wounds   + 1 Damage
9       + 1 Backstab      + 1 Open Wounds
10      + 1 Stealth       + 1 Open Wounds
11      + 1 Stealth
12      + 1 Backstab      + 1 Damage
13      + 1 Stealth       + 1 Open Wounds
14      + 1 Stealth       + 1 Open Wounds
15      + 1 Backstab

Locations：Everspring Town, Millenia Realm