Bad luck aura?

[Hasayo]

What it does? Is it worth getting from glory tree?

[Elhao]

After taking it Dungeon clears award some small amount of currency for a specific shop that contains the loot of dungeons you have beaten, so you can save up to get pieces that just refuse to drop.

Both prices and currency rewarded go up with Dungeon level, so while you may need about 100 clears to get the special item for the specific dungeon cleared you can also clear fewer higher level dungeons to buy some older item you may want in your armory that just didn't drop earlier.