https://www.polygon.com/2018/7/31/17632316/year-one-weapon-infusion-destiny-2-forsaken-whisper-of-the-worms-weapon-slot

Destiny 2 players still have quite a few questions about the new weapon system in the upcoming Destiny 2: Forsaken, and the infusion of their Year One weapons and armor. In a recent episode of the Game Informer Show podcast, Forsaken developers Scott Taylor and Steve Cotton answered some key fan questions about the upcoming expansion.

Players wanting to bring their Year One gear into Year Two will be able to without an additional resource — something Destiny has tried in the past. However, depending on the way players infuse, it may not be affordable to grab every gun you’ve ever loved in the first week.