How do I get a level full of bosses?

Using the Kin artifact, it should be possible to get a level where every enemy is a boss. And I do remember getting that to happen at least once, but I don't remember under what conditions. Is it not possible to do this in multiplayer? Is there a time aspect to this? Or are there other conditions I'm not aware of that need to be met, other than having Kin active?
Best Answer
Bosses have higher chance to spawn on higher difficulty (source):
Bosses in Risk of Rain also vary from level and area. Bosses usually spawn at a random rate which is affected by both difficulty setting and timed difficulty of the session.
It's also possible to loop through game levels instead of going to final level via Divine Teleporter:
The Divine Teleporter is a teleporter that replaces the regular teleporter at the Temple of the Elders and all levels after it. There are two options at a divine teleporter. You have the option to "Loop" back through the previous levels and farm more items, or continue to the final level
So you basically need to equip Kin, wait till difficulty rises, then loop through levels until desired boss spawns!
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How many mandatory bosses are in Elden Ring?
While there are over a hundred bosses to fight in Elden Ring, the game has 12 mandatory bosses required to complete the story. Elden Ring has a handful of mandatory boss fights in a sea of optional ones.Why is Elden Ring max level 713?
To get to level 713, the maximum one can achieve in the game, players will need to farm well over 1 billion runes. Gaining levels in Elden Ring is a process that should be familiar to most fans of FromSoftware's previous games.What level should you fight bosses in Elden Ring?
This is also a relatively slower boss so avoiding his attacks is much easier when compared to some other bosses....Elden Ring Area Recommended Level.Elden Ring AreaRec LevUpgradesNokron, Eternal City70 to 80+15 to 20Siofra Aqueduct70 to 80+15 to 20Deeproot Depths80 to 90+15 to 20Mt Gelmir80 to 100+15 to 2022 more rows•Apr 18, 2022What is the order of bosses in Elden Ring?
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- Fire Giant (Mountaintops of the Giants)
- Godskin Duo (Crumbling Farum Azula)
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Images: Vickie Intili, Daniel Dan, Jill Burrow, NEOSiAM 2021