FearLess Cheat Engine

Some items seem to be missing from the table, namely the "invisible" weapons, Wyrmhero Blade, and I think the ultimate weapon from each weapon type.

How feasible is it to be able to add items/equipment? There are some weapons that a literally a 0.01% chance to drop, and on PS4 you could manipulate the RNG to make it 100%, but that method doesn't work on PC for reasons over my head