Troughsky's Ghost is a rare researcher from the Supreme Santa event. It increases all crit power by 8.
| Throughsky's Ghost |  Bonus
|
 Dark Science cost
|
Copies Needed |
|---|---|---|---|
| Level 1 | x8 | Free | 1 |
| Level 2 | x16 | 250 | 5 |
| Level 3 | x32 | 500 | 10 |
| Level 4 | x64 | 1000 | 20 |
| Level 5 | x128 | 2500 | 50 |
| Level 6 | x256 | 5000 | 100 |
| Level 7 | x512 | 10000 | 200 |