Isekai Guardians solo dungeon floors: The labyrinth beneath Astreus is a 100-floor personal challenge. Each fight costs Energy, defeating a floor advances your progress, and your combat history is what tells you what to improve when an enemy stops your climb.

Isekai Guardians solo dungeon floors: the climb

  1. Open the Solo Dungeon and check the floor you are on.
  2. Read the fight before you start it, and check your current Life and Energy.
  3. Start the fight. It costs Energy.
  4. Win and the floor advances.
  5. Review your past fights in the combat history before you attempt the next one.

You do not need a party for this mode, and your progress is entirely your own. That is the appeal and the cost: nothing slows you down, and nothing helps you either.

When an enemy stops your climb

An enemy that beats you repeatedly is usually a stat problem rather than a gear problem, and the combat history tells you which one:

  • You keep missing, so Accuracy is too low against that enemy's Evasion.
  • You land hits but lose anyway, so Defense, Evasion or your weapon efficiency is short.
  • Your Guardian bonuses duplicate what your class already covers, so the active companion adds nothing.

The stat guide explains what each of those numbers does and how your final strength is assembled from training, gear, Guardian, class and effects.

Improve between floors

The Solo Dungeon is the clearest reason to spend Energy at the Training Grounds, because it converts directly into how high you can climb. A balanced base first, then weight the stat that the combat history keeps pointing at.

The Training Grounds guide covers how to pick a stat, how much Energy to put in, and why the panel there shows lower numbers than your character sheet.

Leave the labyrinth before you travel

Dungeon participation can prevent travel until you leave or finish the activity. That means a floor run and a trip to another city do not overlap, so plan the order: either finish the run and then travel, or travel first and come back later.

The same "one commitment at a time" rule applies to a mission, which is worth keeping in mind if you also run missions on the same evening. The missions guide covers the other activities that occupy your slots.

Solo is not the only dungeon

Party expeditions are the timed group counterpart to the Solo Dungeon, running for parties of up to six players, with scheduled tiers and shared entry items. They are harder to organise and much more rewarding when they come together.

The party expedition guide covers the lobby, the entry requirements and what an assist gets you.

Making each Energy count

  • Read the fight before you commit, so you do not spend Energy on a floor you cannot win.
  • Keep Energy topped up for the climb, since every floor costs some.
  • Fix the stat the history points at rather than buying a random piece of gear.
  • Come back to a stopped floor with better training or equipment instead of retrying the same setup.