Tzogvin's Warband
LEVEL 50 - CP 160
Type Dungeon
Set bonus
(2 items) Adds 833 Weapon Critical
(3 items) Adds 833 Weapon Critical
(4 items) Adds 1487 Physical Penetration
(5 items) When you deal Critical Damage, you gain a stack of Precision, increasing your Weapon Critical by 129 for 10 seconds, up to 10 stacks max. At max stacks, you also gain Minor Force, increasing your Critical Damage done by 10%.

Poisonous Serpent
LEVEL 50 - CP 160
Type Trial
Set bonus
(2 items) Adds 1096 Maximum Stamina
(3 items) Adds 129 Weapon Damage
(4 items) Adds 1096 Maximum Stamina
(5 items) When you deal damage with a Light or Heavy Attack against an enemy who has a Poison Damage ability on them, you have a 50% chance to deal an additional 3400 Poison Damage. This effect can occur once every 1 second.

Top rank version

Perfect Arms of Relequen
LEVEL 50 - CP 160
Type Trial
Set bonus
(2 items) Adds 833 Weapon Critical
(3 items) Gain Minor Slayer at all times, increasing your damage done to Dungeon, Trial, and Arena Monsters by 5%.
(4 items) Adds 833 Weapon Critical
(5 items) Adds 1096 Maximum Stamina, Your Light and Heavy attacks apply a stack of harmful winds to your target for 5 seconds. Harmful winds deal 200 Physical Damage every 1 second. 20 stacks max.

Velidreth
1 Item: Adds 129 Weapon Damage
2 Items: When you deal damage, you have a 20% chance to spawn 3 disease spores in front of you after 1 second that deal 10320 Disease Damage to the first enemy they hit. This effect can occur once every 9 seconds.