Am I the only who thinks that light level affecting gameplay is kinda dumb, im 540+ light and haven't done the raid and I find it annoying that because some guy has 5 more light level than me I can't kill him with a single fist of havoc charge instead I have to follow up because he has a tiny bit of health left. Not to mention some players just got the expansion or the game in general and they can't really compete because they don't have the light level necessary to fight back.
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Light level didn't seem to matter as long as you are above 525.