Aeden's Wrecker is deep in Endless Paths (10 or 11?). Has a huge stun proc, very strong (Superb, Stunning)
Cgadob's Hazel is also deep in Endless Paths (12 or 13 I think). It procs what looks like unnerfed Jolting Touch on crits, meaning it can potentially AE multiple mobs for 60+ damage each when it procs (Exceptional, Marking, Spell Striking: Jolting Touch)
Vierna's Leaves (Superb, Vicious) is also in Endless Paths (earlier than the previous two, IIRC)
Drawn in Spring is pretty deep (13 I believe) in Endless Paths (Superb, Wounding)
Vengiatta Rugia (Light Armor, DR 10, -20% Recovery, Superb, Retaliation, Sneak Attack Bonus) - Bottom of Endless Paths