This position also allows you to simply back up past the corner of Moxxi's bar if a grenade comes out. It's the same thing in real life. Three vault symbols does give an orange item, but it only gives weapons. While I upgrade my backpack capacity as soon as I get the caps to do so, there is no rush to upgrade ammo capacity until I'm done playing. By playing the Slots, you can win on average about bars in a session where cash divided by cost of a try is borderlsndsThere are 8 slot machines currently spread across Pandora. 2 with a gambling machine on their back - when you kill them you can play the. Slot machines are interactive objects introduced in Borderlands 2. This is a completely normal grenade and will damage any player character in the blast. Borderlands 2 Before gambling tip Moxxi some money and your odds improve. . You can get some good guns from the slot machines.