Durge being paladin is made for multiple reasons. Strong char able to sustain enemies alone, a bit of necromancy, my love for paladin and maybe one of the easiest way to RP someone falling to doom (Dark Paladin). It is for that reason that i don't really want monk as Durge, i imagine them like the opposite of Durge (So maybe fit for a "Good" Durge)

I like the idea of mixing some Warlock levels in it, but i don't think i will ever create a char with more than two classes. Sadly the lvl limitation will prevent to do Fungi zombie army buffed by Oathbreaker aura.

So maybe i will jump into my Durge at first playthrough, or simply do my lawful good paladin as intended at first^^