The Heresiarch's Apprentice

Prologue

 * Leads to The Watchers

The Watchers

 * 1) Smash the skulls: Leads to Vault version 1
 * 2) Run through: Leads to Vault version 2
 * 3) Unlocked with Lore: Leads to Vault version 3

Vault

 * Enemy types: Skeletal archer, Skeletal boggart

Version 1

 * The enemies get a surprise round before the players' first turn.
 * Leads to In or Out

Version 2

 * The players begin the challenge farther away from the enemies than in Version 1 and there is no surprise round.
 * Leads to In or Out

Version 3

 * The players begin the challenge farther away from the enemies than in Versions 1 and 2 and there is no surprise round.
 * Leads to In or Out

In or Out

 * 1) Try to slip in: Leads to The Pit
 * 2) Find another way: Leads to Burial Chamber

The Pit

 * Enemy types: Bonecrawler
 * The players begin the challenge with the Staggered condition and having taken four points of damage. The enemies get a surprise round before the players' first turn.
 * Possible loot drops:
 * Gloves of Spirit's Grasp ("a pair of faintly glowing gloves")
 * Leads to Out of the Rubble

Out of the Rubble

 * Leads to Burial Chamber

Burial Chamber

 * Enemy types: Skull wraith
 * Leads to Sanctum

Sanctum

 * Enemy types: Heresiarch's apprentice, Skeletal halberdier
 * Leads to Epilogue