Diablo II: Lord of Destruction is an action role-playing game and expansion pack for the popular video game Diablo II. It was developed by Blizzard North and released in 2001 for Microsoft Windows and Mac OS. The game takes place in the fantasy world of Sanctuary, where the player assumes the role of a hero on a quest to defeat the evil demon Diablo. The expansion pack introduces two new character classes, the Assassin and the Druid, each with unique abilities and skills. The story of Lord of Destruction follows the events of Diablo II, with the main focus being on the destruction of the Worldstone, a powerful artifact that maintains the balance between good and evil. The demon Baal, brother of Diablo, seeks to corrupt and destroy the Worldstone in order to gain ultimate power and control over Sanctuary. The gameplay of Lord of Destruction remains similar to that of Diablo II, with players controlling their character from an isometric perspective and engaging in fast-paced combat against hordes of monsters and bosses. The game features a vast world with different areas, dungeons, and quests to explore, as well as a diverse selection of weapons, armor, and magical items to collect. One of the major additions in Lord of Destruction is the new Act V, where players must journey to the frozen lands of Mount Arreat and stop Baal from reaching the Worldstone. This act also introduces new enemies, including the powerful Ancients, and new challenges for players to overcome. In addition to the new content, Lord of Destruction also includes new features such as an expanded stash for storing items, new runewords to create powerful equipment, and the introduction of hirelings, NPC companions that can aid players in battle. Overall, Diablo II: Lord of Destruction received critical acclaim for its addictive gameplay, improved features, and engaging storyline. It remains a beloved expansion pack among fans of the Diablo series and is often considered one of the greatest video game expansions of all time.