Simple Editor for Death's Gambit saves
It probably requires all 4 saves to be present.
Item IDs can be found here, although they are one off i.e. Reinforced Helm is actually 3: https://docs.google.com/spreadsheets/d/1RU3C2rqORurUuI63ukCP_17OictDYXhDHG3ovQg4Ipg/edit?usp=sharing