Using continues in the Subspace Emissary gradually lowers the difficulty of the current level, with a maximum of 5 difficulty reductions. However, the difficulty does not decrease by an entire difficulty level, and instead drops by less than one difficulty level, into sub-difficulties. This is the information I have found for how the system works.
Sub-difficulty progressionEdit
| Continues → | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
|
-1 |
-2 |
 |
-1 |
-2
|
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|
-1 |
-2 |
 |
-1 |
-2
|
|
|
-1 |
-2 |
 |
-1 |
-2
|
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|
-1 |
-2 |
 |
-1 |
-2
|
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|
-1 |
-2
|
Approximate sub-difficulty levelsEdit
Values below Easy difficulty are conjectural.
| Continues → | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| (5)
|
4.78 | 4.56 | 4 | 3.75 | 3.5 |
| (4)
|
3.75 | 3.5 | 3 | 2.77 | 2.54 |
| (3)
|
2.77 | 2.54 | 2 | 1.84 | 1.68 |
| (2)
|
1.84 | 1.68 | 1 | 0.85 | 0.69 |
| (1)
|
0.85 | 0.69 |