only realised this game got updated yesterday, quickly did a 100% run
(SPOILERS AHEAD)
Viewing post in A Hell of a Bloody Dragon comments
A minor thing but you don't need to liberate all Jim's dopplegangers and brothers to access the dialogue of the dragon ;) You could save time not doing the black fortress for example.
Second little extra: there is a glitch where you can speak to the Yellow chief and Jim at the same time to complete Chief's Dialogue & Jim's Dialogue at the same time.