Defeat combatants in Nightfalls and the Guardian Games Competitive mode. Completing Nightfalls with faster finish times grants increased progress. Guardian Games Competitive mode and Legend difficulty or higher Nightfalls grant the most efficient progress.
Defeat combatants in Nightfalls and the Guardian Games Competitive mode. Completing Nightfalls with faster finish times grants increased progress. Guardian Games Competitive mode and Expert difficulty or higher Nightfalls grant the most efficient progress.