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All Dungeons and Caves

By Iron Soul Guides Team Published Updated Official + community evidence · reviewed September 4, 2026

Iron Soul: Dungeon splits its content into three kinds of place, and mixing them up is the fastest way to waste a run. The main worlds - Starless Forest, Frozen Valley and Oathlost Castle - are tiered, take up to four players, and each carry five difficulties from Trial through Challenge, Penitent and Torment to Inferno, plus a Hell mode variant of each. The caves are short resource trips that cost a Cave Ticket and come in four levels apiece: Cave of Runes for enchanting runes, Cave of Crystal for blessing crystals, and Abandoned Courtyard for pet materials. The seasonal content sits outside both: the Endless Tower runs unlimited waves with checkpoints every five rounds, and Dragon's Grave was a Season 1 portal capped at 25 rounds. The pages below cover each of those, with entry requirements where an official number exists and an explicit note where none has been published.

The New Island route, and why it has no page of its own

Update 10.4 added the New Island route leading to Shattered Place, which unlocks at character level 28 and uses Shattered Land as its hub. Update 10.5 made Shattered Land the only place that forges the Scythe, Update 10.6 added three Fist weapons there and completed the Fist skill tree, and Season 3 added further Scythes and three more Season 3 Fist weapons. Tartarus and the Crystal Cave are both reached through that route. Everything the sources publish about New Island itself is those five sentences of forge access, all of it from one site, so we fold it in here rather than stretch it into a page of its own. Tartarus, which has more to say, keeps a page.

What no source publishes for any dungeon

Drop tables are the big hole. All three competing guide sites state in writing that there is no complete public drop table for any world, and neither Fandom wiki lists per-difficulty drops. Power requirements are also mostly absent by design: the official progression guide argues that battle power is an arbitrary average that overshoots badly on some gear, so it gives level recommendations instead. The one power figure in circulation, 28,000 for Oathlost Castle, comes from three third-party sites and appears nowhere on the official wiki. Where you see a number on these pages, the page names the source that carries it.