Nightmare Abyss

In Nightmare Abyss you can get Enchanted rings to upgrade your Battle Rating. In the first Lvl of Nightmare Abyss, you can get the rings. Each ring will provide you a different stat bonus.

Ring Name	1 Star	2 Star	3 Star	4 Star	5 Star
Envy	PATK +600 HP +600	PATK +2400 HP +2400
Sloth	PATK +400 HP +1200	PATK +1600 HP +4800
Greed	MATK +600 HP +600	MATK +2400 HP +2400
Pride	MATK +400 HP +1200	MATK +1600 HP +4800
Wrath	PDEF +600 MDEF +600	PDEF +2400 MDEF +2400
Lust	PDEF +200 MDEF +200 HP +1200	PDEF +800 MDEF +800 HP +4800
Glutto	PDEF +400 MDEF +400	PDEF +1600 MDEF +1600
Power	PDEF +200 MDEF +200 HP +1200	PDEF +800 MDEF +800 HP +4800

Abyss Drops

To upgrade the rings' level you must participate in Nightmare Abyss. In Abyss 1 you can receive the rings (Lvl 1). You can also get Regular Enchanted Jade to upgrade the Lvl of the ring. Each Regular Jade will provide 50 EXP. Starting in Abyss 3 you can receive Radiant Enchanted Jade which will provide 200 exp. You can get Runestones (Enhances stats), Fallen Souls (To upgrade rings' stars) and MP Dungeon Cards.

Infuse

Infusing your ring will upgrade your ring's stars thus increasing the maximum level. You must have a maximum level for that particular ring's level in order to upgrade your stars. Upgrading will also include maximum slots for runes.

Ring Name	1-2 stars	2-3 Stars	3-4 Stars