Every hero in Marvel Rivals has its own proficiency track, separate from your account level and from your competitive rank. The more you play a hero, the higher its proficiency climbs, and each step shows other players how much time you have invested in that particular character. A hero proficiency boost on Boosting24 raises the level of the hero you choose, from the level it has today to the level you want.
The track is divided into named ranks. Every hero starts as an Agent, then becomes a Knight at level 5, a Captain at level 10, a Centurion at level 15 and a Lord at level 20. Lord is the rank most players chase, because it unlocks the hero’s Lord icon, an avatar you can show on your profile. Since the Season 6 rework the track continues far above Lord, up to level 70, with further ranks and rewards along the way.
Each rank brings something visible. Along the way a hero unlocks items such as a hero spray and special knockout prompts that play when you defeat an opponent, and the levels above Lord keep adding rewards, from further cosmetics to in-game currency. Several of these rewards, such as the KO prompts and the Lord icon, are tied to a single hero and earned only through proficiency, so they cannot be bought in the store. That is exactly why they matter to the players who collect them.
Proficiency says nothing about rank, but it says a lot about dedication. A Lord icon on a Strategist or Vanguard tells teammates that you know the hero well, and many players simply enjoy having a main they can show off. Others want a whole roster of Lords. Whatever the goal, the climb is long, and that is where a proficiency boost saves dozens of hours.