The Forces of Darkness is a mod based on 1.13c version of the game. The main purpose of the mod is to bring new content and QoL stuff while keeping original Diablo II: LoD experience.
Main features of the mod:
New UI made with Diablo 2 Resurrected and Diablo 3 resources
New custom items to simplify cube recipes
Slightly changed quests with better quest rewards
New subquests that include new areas with new bosses
Over 1000 uniques, over 100 sets and over 100 runewords
Item customization: corruption system and better crafting system
Better mercenaries
Slightly reworked skills for better build diversity
Rearranged waypoints closer to farm areas
Quality of Life improvements:
Autogold pickup
Ctrl+Left click item extended to inventory, stash, cube & ground drop