The best way to level up: milestones or XP?

cle, I look at the pros and cons of both milestone levelling and traditional XP in the hope to guide you as to which is right for your campaign. Tl;dr: they both have their place.cle, I look at the pros and cons of both milestone levelling and traditional XP in the hope to guide you as to which is right for your campaign. (Tl;dr: they both have their place.)