Unlockable List
Stage 1 - War in Damara:
Introduction, Battlefield Concept Art

Stage 2 – Gemspark:
Concept Art

Stage 3 - Attack at Cedarleaf:
Zhai's past (secret book), Cedarleaf Concept Art

Stage 4 - The Wizard's Tower:
Khelben's Letter (secret book), Wizards Tower Concept Art

Stage 5 - The Jungles of Chult:
Illius' Youth (secret book), Chult Jungle Concept Art

Stage 6 - The Yuan-Ti Temple:
Nesme's Fall (secret book), Chult Temple Concept Art

Stage 7 - Stand at Mithral Hall:
Prologue: Cireka's Vow Drizzt's Journal (secret book), Mithral Concept Art

Stage 8 - Into the Underdark:
Ygorl and the Dragon (secret book), Githyanki Outpost Concept Art

Stage 9 - The Dragon's Lair:
Dragon Concept Art

Stage 10 - The Lord of Chaos:
Conclusion: Limbo Concept Art