What exactly is the level advantage for Iron Banner light level?

Iron Banner is a limited-time event that lasts for one week.Level advantages are enabled, which means that weapons with higher Light do more damage, armor with lower Light resists more Damage, and Guardians whose Light level is lower take less damage.

The event was overseen by Lord Saladin prior to the Rise of Iron expansion.Her stock includes high-end weapons and armor, which can be purchased for Glimmer and Legendary Marks, if the Guardian's Iron Banner rank is high enough.She gives points towards a Guardian's Iron Banner rank.[3]

To participate in the Iron Banner, a guardian must be at least level 40 or in a fireteam led by one.[2]

The Iron Banner reputation is earned by completing Lady Efrideet's bounties and winning matches.250 reputation points can be earned by winning a match.Losing a match will give the player a Medallion of Iron instead of reputation, and the next match won will redeem each medallions for 150 reputation.A player can carry up to 5 medallions.

At the end of the match, rewards are granted for completing bounties.Artifacts can be dropped up to 5 levels higher than the current light level of the player.

After the event, Iron Banner reputation is reset and must be regained during the next event.The reputation progression, as well as which items will be unlocked for purchase at each rank, are outlined in the table below.