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The Circle of Fortitude is the sixth circle of Nadiria you’ll be journeying to inDragon Quest Monsters: The Dark Prince. Its junkyard-like environments provide you with many new monsters to put on your team or get new Talents from, especially if you like those in the Material or Demon families.
A lot of the monsters here are as tough as the factory-like buildings and houses they hide in, and sport some pretty big defensive stats to match. Here are all the monsters you can find in the Circle of Fortitude, and what seasons they like to show up during.

All Monsters In The Circle Of Fortitude - Lower Echelon
The table below provides you with a list of every monster you can find in the Lower Echelon. Like the other Circles,you’ll need to beat the local big hitter in The Watchtowerbefore you get the best scouting rates.
014

015
068

073
148

213
279

280
284

287
309
355
373
434
440
441
446
Summer
All Monsters In The Watchtower
In The Watchtower,you’ll find a lot more Restless Armours, which arepretty useful for synthesizing.
358
Breath Taker
All Monsters In The Circle Of Fortitude - Middle Echelon
This next echelon is unlockedafter progressing through the story enough to obtain the Pink Travelite.
025
027
029
283
297
298
304
305
381
382
392
433
All Monsters In Fort Knox
You’ll find several of the same monsters in Fort Knox, but it introduces a few new ones, andsome are found on specific floors within the towering dungeon.
090
Floors 2, 3, and 4
353
Floor 2 and 3
Floor 1 and 2
Floors 1, 2, and 3
All Monsters In The Circle Of Fortitude - Upper Echelon
The Upper Echelon of the Circle of Fortitude can be unlocked by progressing in the story far enough.
039
046
047
058
098
113
181
229
236
241
244
253
254
307
308
310
321
333
335
379
383
401
Spring, Summer
All Monsters In Barbatos’s Bastion
Barbatos’s Bastion is the final area and the main dungeon of the Upper Echelon andfeatures several good Rank C monsters, and a lot of automatic, one-directional pathways to navigate.
395