Lv 1
Better luck: more fourth cards, richer chests and lamps, more crits.
Luck +10%
Lv 2
Luckier again.
Luck +20%
Lv 3
Luckier still.
Luck +30%
Lv 4
Fortune smiles on you.
Luck +40%
Lv 5
The luckiest clover in the meadow.
Luck +50%
Pip spent a whole night looking for it. Worth it.
Emberloop is a free bullet heaven game for your browser, on a phone or a computer.