This is the overview of Requiem Online Armor Sets. I saw it from the other forum,and post it here.Hope this article can help you to some extent.
Sets are dropped out in the caves (from mobs, from boss), and also Raid bosses. It enters into the composition of complete set: helmet, gloves, boots, ponozhi and bron' (only of 5 things) into the composition of incomplete seta enters: helmet, ponozhi and bron' (only of 3 things). They enter into the composition of seta of bijouterie: 2 links, 2 bracelets, 2 rings, belt and necklace (only of 8 things).
Also there is incomplete set of bijouterie - it is divided into 2 links and into 2 rings, i.e., on 2 objects to set.
Set Of khuka [ of 15 lvl ] (Templar, shaman, sorcerer)
2/5: Recovery rate HP: 10
4/5: Recovery rate HP: 10, recovery rate M.P: 6
5/5: Recovery rate HP: 10, recovery rate MP: 6, HP + 150, M.P + 120
Bone of set Of khuka [ of 15 lvl ] (warrior, the Barbaras, robber)
2/5: minimum physical attack + 4
4/5: minimum physical attack + 4, maximum physical attack + 6
5/5: minimum physical attack + 10, maximum physical attack + 12
Set Of khuka(Bizha) [ of 15 lvl ] (Templar, shaman, sorcerer)
2/8: Recovery rate M.P: 2
3/8: Recovery rate M.P: 3
4/8: Recovery rate M.P: 4
5/8: Recovery rate M.P: 5
6/8: Recovery rate M.P: 6
7/8: Recovery rate M.P: 7
8/8: Recovery rate M.P: 10
Bone of set Of khuka(Bizha) [ of 15 lvl ] (warrior, the Barbaras, robber)
2/8: Recovery rate HP: 2
3/8: Recovery rate HP: 3
4/8: Recovery rate HP: 4
5/8: Recovery rate HP: 5
6/8: Recovery rate HP: 6
7/8: Recovery rate HP: 7
8/8: Recovery rate HP: 10
Set Krentsiya [ of 20 lvl ] (warrior, the Barbaras, robber)
2/5: Adroitness + 5
4/5: Adroitness + 5, the force + of 10
5/5: Adroitness + 5, the force + of 10, HP + 100, recovery rate HP: 10
Set Of frezii [ of 20 lvl ] (Templar, shaman, sorcerer)
2/5: Spirit + 5
4/5: Spirit + 5, Intelekt + 10
5/5: Spirit + 5, Intelekt + 10, M.P + 80, Recovery rate M.P: 5
Set of the desperation [ of 25 lvl ] (warrior, the Barbaras, robber)
2/5: Force + of 5
4/5: Force + of 15
5/5: Force + of 30
Set of grief [ of 25 lvl ] (Templar, shaman, sorcerer)