After Maletta's fall, he escapes and reappears in Revless to aid Dalkia, just in time to confront the Cadet one more time to take revenge for the deaths of The Hellgenoss. Unfortunately for him, he's not able to defeat the Cadet.
Create a Soul formula SCIII
Battlestyle: Grieve Edge
Eyebrows: 08, 20
Voice: Young Man 1
Hair: Medium Length (08,20)
Mask: Mad Eye Patch (01,27)
Mid Torso: Noble's Shirt (18,25)
Arms: Protect Braces (01,27)
Shoulders: Evil Shoudlers (01,27)
Neck: Barbarian Necklace (18,25)
Waist: Lord's Tasset (01,27)
Upper Legs: Leather Pants (18,26)
Shins: Stealth Shin Guards*
Feet: Protective Greaves (01,27)
Ultimately, it would appear that he and Roin are at odds with one an other. While Kierkess is too focused on wanting to kill the Cadet/Player, Roin states that he "will let him (Kierkess) live until we've crushed Grandall." This could also simply be Roin wanting to be rid of any "loose ends".