Hansi Flick greeted his Barcelona the players after lifting their first title as leader of La Blaugrana.
The Catalans hammered defending champions Real Madrid 5-2 in Jeddah to claim the 2025 Spanish Supercup.
Flick's charges were in irresistible form in Saudi Arabia as four first-half goals left Los Blancos with a mountain to climb in the game.
The confidence and ruthlessness of Barcelona in front of the goal was too much for Real Madrid to handle and can now look forward to the rest of the campaign with optimism.
Flick claimed the 4-0 win in Madrid The League The action in October provided the blueprint for victory with Robert Lewandowski, Lamine Yamal and Raphinha all on target in both games.
“The game we played in Madrid gave us confidence to win this type of game and we showed that in our reaction to concede the first goal,” he said at full time.
“The team is amazing. We stay together and that's important. The goal is to learn from every game and improve.”
Barcelona are in the last 16 of the Copa del Rey in midweek and are on the verge of securing a place in the UEFA Champions League last 16 at the end of January.
They are now tasked with getting back into the league title race in the coming weeks with a six-point gap to leaders Atletico Madrid at the halfway point of the campaign.