how will obtaining Necrochasm be like since i couldn`t beat contest mode?

[jade pollen]

hmmm (edit, i got Necrochasm right after contest ended. So i dont have to worry about the quest anymore)

[idle stag]

Either quest or random drop from final encounter

[fallen pine]

It is a quest, will likely involve using the common and legendary versions of the gun to eventually progress to necro

[pine parcel]

Not sure how to acquire quest but itll require completing the variety of challenges seen in the raid triumphs. Obtaining enough of the exotic currency from challenges is the goal