Adds the item Soul Merge Foci to the game, that can be crafted for free in any forge, by clicking the item and exiting the inventory you gain access to the soul gem crafting menu.

Merging
3 Empty Petty = 1 Empty Lesser , Requires 10 Enchanting
5 Empty Petty = 1 Empty Common , Requires 20 Enchanting
7 Empty Petty = 1 Empty Greater , Requires 30 Enchanting
9 Empty Petty = 1 Empty Grand , Requires 40 Enchanting

2 Filled Petty = 1 Filled Lesser , Requires 20 Enchanting
2 Filled Lesser = 1 Filled Common , Requires 30 Enchanting
2 Filled Common = 1 Filled Greater , Requires 40 Enchanting
2 Filled Greater = 1 Filled Grand , Requires 50 Enchanting

Breaking
1 Empty Lesser = 2 Empty Petty , Requires 10 Enchanting
1 Empty Common = 4 Empty Petty , Requires 20 Enchanting
1 Empty Greater = 6 Empty Petty , Requires 30 Enchanting
1 Empty Grand = 8 Empty Petty , Requires 40 Enchanting

1 Filled Lesser = 2 Filled Petty , Requires 10 Enchanting
1 Filled Common = 4 Filled Petty , Requires 20 Enchanting
1 Filled Greater = 6 Filled Petty , Requires 30 Enchanting
1 Filled Grand = 8 Filled Petty , Requires 40 Enchanting

Filling
2 Empty Petty + 1 Filled Lesser = 2 Filled Petty , Requires 10 Enchanting
4 Empty Petty + 1 Filled Common = 4 Filled Petty , Requires 20 Enchanting
6 Empty Petty + 1 Filled Greater = 6 Filled Petty , Requires 30 Enchanting
8 Empty Petty + 1 Filled Grand = 8 Filled Petty , Requires 40 Enchanting

Corrupting
Converts one Empty Grand Soul Gem into an Empty Black Soul Gem if you have a Black Soul Gem or The Black Star in your inventory.