Level   Description
1       + 1 Iron Skin            + 1 Distracted Gaze
2       + 1 Colossal Endurance
3       + 1 Iron Skin
4       + 1 Colossal Endurance   + 1 Distracted Gaze
5       + 1 Iron Skin
6       + 1 Colossal Endurance
7       + 1 Iron Skin            + 1 Distracted Gaze
8       + 1 Colossal Endurance
9       + 1 Iron Skin
10      + 1 Colossal Endurance   + 1 Distracted Gaze
11      + 1 Iron Skin
12      + 1 Colossal Endurance   + 1 Distracted Gaze
13      + 1 Iron Skin
14      + 1 Colossal Endurance   + 1 Distracted Gaze
15      + 1 Iron Skin            + 1 Distracted Gaze