event
Old One's Army
A tower-defense event unlocked by the Tavernkeep and the Eternia Crystal.
Place an Eternia Crystal and stand near it to start the Tavernkeep-driven tower defense. Three tiers; the final tier ends with 
Betsy.
- Trigger
- Eternia Crystal + sentries
- Tier
- T1–T3
- Reward
- Betsy drops
Tips
- Place the Eternia Crystal Stand and Crystal, then defend it with sentry summons.
- Higher tiers require better gear; Betsy appears in T3.
- Earn Defender Medals to buy powerful tower-sentry weapons.
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