Its extensive item reference covers base, magic, rare, crafted, unique, set, and runeword items, alongside runes, gems, charms, and Horadric Cube recipes. Players can explore item categories and equipment types, review runeword options, and use tools such as the runeword creator, item generator, loot filters, rune upgrade guide, and D2RExtractor.

For character planning, d2db provides class and skill information, build guides, a skill calculator, and calculators for experience and attack speed breakpoints. The site also includes a Holy Grail tracker, cheat sheet, and a terror zone calendar with current and upcoming zone details, including monster immunities. Its game reference material organizes acts, quests, zones, bosses, super-unique monsters, mercenaries, and non-player characters. An auction house, trade history, and news section further support players interested in item trading and updates. Together, these resources make d2db a practical research and planning hub for Diablo II: Resurrected.