DOS2:Most Dangerous When Cornered

Most Dangerous When Cornered is a quest in Act One of Divinity: Original Sin II. It can be initiated by talking to Han and Samadel in Amadia's Sanctuary, or entering the Ruined Castle.

Note: Completing this quest before Healing Touch causes Klaud, Jules, and Matis to die, closing the quest permanently.

Objectives

Investigate the ruins.
Battle raged in a ruined castle.

Find Gareth.
Gareth went looking for weapons. He hasn't returned. The Seeker leader Gareth is missing.

Walkthrough

The first encounter upon entering the Ruined Castle are four magisters in the courtyard. Defeating each in combat results in 1200 XP, totalling 4800. Northbound is a room with another four magisters surrounding Gareth who is hiding behind the 'Hollow Marshes - Ruined Castle' waypoint at   X: 468  Y: 371  . Defeating these four give a total of 5300 xp, and an additional 3000 xp after combat for successfully rescuing Gareth.

Tutorial

Enter Ruined Castle at   X: 468  Y: 208  
Kill 4 magisters (+4800 xp)
Go north up the stairs and kill 4 more magisters (+5300 xp)
Talk to Gareth (+3000 xp)