Not playing any MP- What will I miss-out on campaign wise? (Destiny)

by Revenant1988 , How do I forum?, Saturday, September 13, 2014, 09:41 (3742 days ago)

(I have not finished the game, so no spoilers, please)

Let me elaborate a bit-

I have zero intentions to play any MP in the crucible. I didn't enjoy it in the beta, and I'm aware they've changed things, but my statement stands.

This is not a thread asking you to sway my opinion on that- please save your breath.

HOWEVER, I see things I don't understand weapon-wise from some of the vendors. Are there MP only weapons? Or are all weapons usable between campaign and MP?

I'm asking because I see things that require crucible marks, which I will never get. Now don't get me wrong- I'm OK if that means there are some guns I'll never get because of that.

I'm more concerned that I will miss access to missions or story content if I don't force myself to play MP. Is that the only way to side with a faction? Through MP? If I don't side with any of them because of that, will that hurt the campaign experience?

Thanks in advanced.