The 20-year-old's club Atletico Mineiro battled back from two goals down to triumph over Paraguayan team Club Olimpia in a penalty shoot-out, winning a dramatic 2013 Copa Libertadores Final.
The exciting starlet beamed with pride as he revealed he'd completed his goal of leaving the side in a blaze of glory.
"I do not know what will happen to me from tomorrow," he said.
Bernard's agent was less coy about the players future, writing on Twitter: "Congratulations, Bernard. Double-winner! Confederations Cup, Libertadores... the perfect farewell."
French reports claimed the Gunners were on the brink of recruiting the 20-year-old and were hoping to have finalised the £21m deal on Friday.