You do NOT get relics depending on how many less ups you were using. You get 1 (One) relic for each game you win if you have less upgrades than you opponent. In this match, aether had less ups than their opponent, and aether won 3 games. This means they get 3 relics. As long as aether had used less than 9 ups in this match, they would still get 3 relics.