Here's the notes I use to remind me what to do next, not really much of a guide. The main difference from the current run is only hiring tirn elite for the last mission, and then killing the tirn and harlequin because they show back up at the end.

https://docs.google.com/document/d/1-1QXDxRsu_RdwB8MntaN_1swYWJHLWSaj5jLmanQbqM/edit?usp=sharing