Sluggonaut
Goblin Guru
- Sluggonaut Goblin Guru
For the upgrading, my opinion is get it running and then make changes.
This is the shortest path to getting the Goblin running. When/if you do have issues, it will be far easier to troubleshoot if you make no mods going from running Cobalt to Goblin. Once the Goblin is alive, go nuts with mods.