Diablo 3, PTR Patch 2.3.0 brings back memories from Diablo 2 and some functionality from it too.
Ruins of Sescheron
Ruins of Sescheron is one of the new additions in Diablo in Patch 2.3.0. The Ruins of Sescheron is a frozen wasteland based on the origins of the Barbarian. The lost Tomb of King Kanai lies in the Ruins of Sescheron along with Kanai’s Cube.
Kanai’s Cube is similar to the Horadric Cub from Diablo 2. You can use the Kanai Cube to break down Legendary items and put their passive effects into passive skills or convert certain crafting materials to a higher tier.
Crafting System Updates
Essentially, lesser tiers materials will be or crafting mat will be available throughout the game. That means that lesser tier materials won’t be wasted.
Adventure Mode Updates
Realm of Trials is now gone. Bounty rewards have been improved by adding new Act-specific crafting mats to Horadric Caches.
Completing Bonus Acts in Adventure Mode games will also now grant a bonus Horadric Cache stuffed with crafting materials, gold, and additional Act-specific crafting mats.
Season 4 will allow players to track their individual progress through the newly implemented Season Journey window. There are chapters that reveal certain milestones that attainable by the player that are shown in the Season Journey window.
Tiers are for more advanced players and completing higher tier results in better portrait frame rewards.
New Difficulty Levels
PTR Patch 2.3.0 includes new difficulty levels up to Torment X.
Legendary and Set Items
PTR Patch 2.3.0 will feature new Legendary and Set Items plus revamp older Legendary and Set Items to be on par with the new ones.
Higher difficulty monster have been tweak to be more resistance to excessive crowd control skills but to compensate the players, the harder the monster the more exp it would give. Thus scaling the monster’s difficulty to the right amount of reward, for story mode, greater rifts, bounties and rifts.