Lv 1
Flares hit harder. Flare kills pay full XP and score.
Flare damage +15%
Lv 2
Harder again.
Flare damage +30%
Lv 3
Harder still.
Flare damage +45%
Lv 4
Loops that roar.
Flare damage +60%
Lv 5
Every loop is a bonfire.
Flare damage +75%
Pairs with Lightning Rod
Just add loop.
Emberloop is a free bullet heaven game for your browser, on a phone or a computer.