On Wednesday, the first raid for Destiny 2 will debut, and if you want to participate in the lengthy mission, you'll need to make sure your guardian has a light level between 260-280.
Raids are not ordinary missions. Even if you know exactly what you're doing, raids can take several hours to complete, requiring nuanced and coordinated cooperation among players, as they hit endless death traps, endure the game's "unique" platforming, and solve puzzles.
Though we don't know how Destiny 2 will handle players below the requirement, in the original game, the game handicapped your ability to cause damage in a way that basically made you useless to your teammates. It was the game's way of saying "please, go away." It won't be surprising if Destiny 2 uses a similar punishment to make sure people are ready.
Hitting 260-280 is not something you'll just stumble upon by playing through the single player missions of the game, which you can easily finish well below a light level of 200. Instead, you'll need to focus on the loot grind, working through public events, strikes, and the many side missions. Slowly but surely, you'll hit the raid's requirements, but it's a time investment.
I'm at like…220? I'm on the cusp of being able to hit the nightfall strike, and can hopefully take a stab at the raid on the weekend. Finding time to play the raid, though? Hmmmmm.