Fast Leveling in Around The Core
Since the confirmed boss encounter has had its difficulty specifically tuned due to real player feedback about it feeling too punishing, don't assume it plays exactly as older footage or guides might suggest -- expect its summoning conditions and difficulty to reflect the developer's most recent balance pass.
- Assuming a single run's upgrades reset your total progress -- the upgrade tree is confirmed to be a between-runs system that compounds over time.
See the full data: Around The Core Getting Started