A "Story" difficulty level was added for players who want to focus on the lore and exploration rather than the deep tactical combat.
The inventory system was updated to allow for party-wide management, and the quest journal was redesigned to be more intuitive for tracking multiple storylines. Divinity.Original.Sin.2.Definitive.Edition.part...
Enhancements were made to the Arena (PVP) mode and the Game Master Mode , which allows players to create their own tabletop-style campaigns. A "Story" difficulty level was added for players
This version was a major overhaul that revamped the game's third act, improved performance, and added significant quality-of-life features. Key Features of the Definitive Edition This version was a major overhaul that revamped
Nearly 150,000 words of dialogue were rewritten or added to flesh out the final chapter, improving the narrative flow and character arcs for Origin Characters .
For a closer look at the gameplay and changes in this version, check out these playthroughs and guides: Divinity: Original Sin 2 Definitive Edition part 43 YouTube · Kurushinad
Based on the title structure "Divinity.Original.Sin.2.Definitive.Edition.part...", you appear to be looking for a feature or summary covering the core enhancements found in the of this acclaimed RPG.