Well, the title says it all, and below are the rules I have written. Let me know what you think 
STR 2d6+12 (19)
CON 2d6+12 (19)
SIZ 2d6+12 (19)
INT 2d6+3 (10)
DEX 2d6+3 (10)
CHA D3+3 (5)
Natural Armour: 4 with a -7 Strike Rank penalty
Traits: Warded (Stone Gaze), Exploding
Common Magic (50%): Demoralise, Pierce 2, Thunderous voice 1, Bludgeon 1, Cauterise 1, Heal 1

STR 2d6+12 (19)
CON 2d6+12 (19)
SIZ 2d6+12 (19)
INT 2d6+3 (10)
DEX 2d6+3 (10)
CHA D3+3 (5)
Natural Armour: 4 with a -7 Strike Rank penalty
Traits: Warded (Stone Gaze), Exploding
Common Magic (50%): Demoralise, Pierce 2, Thunderous voice 1, Bludgeon 1, Cauterise 1, Heal 1