Green aura?

[Montanabro]

What is the green aura I see around certain characters?

[primaeva]

Luck elixir I reckon.

[Lightningspeed]

The green aura represents some form of elixir, which is either purchased with platinum or awarded from either of the two daily rewards.

[Montanabro]

I tested it out; looks like lightningspeed is correct.

Note though that the 7-day elixirs do not cause the aura.