Hot topic context: Aeonglass remains one of the loudest Slay the Spire 2 beta topics because players keep using it as the test case for whether the current patch rewards honest decks or punishes too many archetypes.
Source context: v0.107.0 Steam news, the Steam news hub, and recent public community discussion around Aeonglass in the v0.107 beta thread.
Aeonglass is not just a boss. It is a filter. If your deck only works when the first three turns are perfect, Aeonglass makes that weakness visible. If your deck can block, progress damage, and recover from an awkward hand, the fight becomes much more manageable.
The Four Checks
| Check | Passing Sign | Warning Sign |
|---|---|---|
| Damage clock | You can end the fight before fatigue takes over | You only win after a long perfect setup |
| Defense | You can block without spending the whole turn | You need every card just to survive |
| Draw smoothing | You can recover from one bad hand | One missed card ruins the fight |
| Potion job | One potion covers a known danger turn | Potions are random or already spent |
The exact patch numbers can move. These four checks remain useful because they describe how the fight stresses a deck.
How v0.107 Should Change Your Prep
The v0.107 conversation is a reminder to stop treating old beta advice as permanent. If a boss is still being touched, you should stop memorizing one script and start preparing by role.
Do not ask, "What card beats Aeonglass?" Ask:
- What is my first-cycle defense?
- What is my damage plan if setup is interrupted?
- Which potion protects my worst draw?
- Can I upgrade a card that matters in this fight?
That mindset is stronger than any one-turn script.
Best Defaults by Deck Type
Fast decks should still bring defense. If your plan is only to race, one bad hand can end the run.
Scaling decks need a bridge. The bridge can be a potion, an upgraded defensive card, Weak, draw, or an early damage tool that keeps pressure on.
Combo decks need a backup turn. If the combo misses, the hand still has to do something.
Defensive decks need a kill plan. Blocking forever is not the same as winning.
For broader boss prep, read the boss preparation checklist and the original Aeonglass boss guide.
FAQ
Is Aeonglass still worth preparing for after v0.107?
Yes. Any boss that keeps appearing in patch discussion is worth treating as a real matchup check.
What kind of deck is safest into Aeonglass?
A deck with reliable block, a real damage clock, draw smoothing, and one potion job is much safer than a slow engine that needs several quiet turns.
Should I force faster decks just because Aeonglass exists?
No. You need useful early turns, not blind speed. Slow scaling can still work if the deck has enough defense and consistency to reach it.