Destiny 2’s latest expansion, The Edge of Fate, is out now, and one of the most notable additions to the core game is the Shooting Range. Accessible to all players, the Shooting Range is a controlled environment in which weapons, perks, armor sets, and entire builds can be compared against one another.

It’s no secret that Destiny 2’s a complex game, with multiple interacting systems at play that determine how much and what kind of damage you put down range. Each piece of gear you equip can affect how you play, but the specific nature of these effects are often hard to discern.

Historically, Destiny 2 high-level players have prototyped new builds by setting up custom games or repeatedly testing against Lost Sector bosses; while these worked okay, they never allowed the level of control or customization that could facilitate true comparisons. To more casual players, buildcrafting might seem entirely opaque, and they may never have the chance to figure out how to take full advantage of, say, cool Exotic perks.

The Shooting Range finally provides a space for prototyping builds, allowing players to pinpoint exactly how different selections affect gameplay. You can boot directly into it from a landing point on the Tower (see the map above). In this guide, we explain how to make the most of the Shooting Range’s various options and to understand the data that you can glean from testing.