Make this move when combat is joined. Set up your progress tracks for your foes and roll to see who is initially in control. Then, play to see what happens.
If you are fighting with allies, each of you make your own move to Enter the Fray. The outcome determines your initial positioning and readiness. You and the other players then envision the scene and make moves as appropriate. If you have initiative, you are positioned to make proactive moves. If not, you make moves to defend against attacks or get into position. If you and your allies are fighting against common enemies, you share progress tracks and mark the harm you each inflict.
If you are fighting a group of troublesome or dangerous foes, you can combine them into a single progress track. This is called a pack. Managing your progress against a pack is easier than tracking them as individuals, and will make combat go a bit faster. For a small pack (about 3 to 5), increase the rank by one. For a large pack (about 6 to 10) increase the rank by two. If you are facing more than 10 troublesome or dangerous foes, group them into smaller packs and associated progress tracks as appropriate.