Boss reference — Timespace Junction Sector 4
Ancient Dragon — Data reference
Boss identity, Earth + Ice element pair, BP and time thresholds, the 'shield phase' myth checked against the game's data, in-fight stats and roster picks — all pulled from the game's data.
Element pair
Earth + Ice — only weaknesses (+30%), every other element resisted (−80%)
Boss tuning (WL10)
HP 2,638,583 · DEF 10,707 · Crit Rate 95.25% · Crit Damage 251%
No shield phase
The 'Starsbook Shield' belongs to the Chapter 5 story fight — the Sector 4 dragon is a raw endurance check
Counter stances
Trading into his braced postures applies a Defense-ignoring Fire burn — back off when he plants
Combat
Stats & Weaknesses
Boss
Ancient DragonStats
HP2,638,583
ATK33,190
DEF10,707
HP2,638,583ATK33,190DEF10,707Weaknesses
Earth30%
Ice30%
Earth30%Ice30%Resistances
All Elements20%
All Elements20%World
Location
Zone
Timespace Junction
Sector
Sector 4