On this floor you will find a sell creep in its own room.
Enter the gungeon is there a secret room every floor.
In some rare cases the second barrel might be in the hidden room rendering it impossible to enter it when the first water barrel is destroyed.
Bosses are strong enemies found at the end of every floor in the gungeon defeating a boss allows the player to advance to the next main floor.
A water barrel often but not always spawns somewhere on the floor and can be rolled to the fireplace room.
Entrances to secret rooms can be opened with blanks most things that trigger blank effects such as armor and certain explosives including the bomb lil bomber and the explosion of a fused chest.
Give master bullet and two items to sell creep in hollow start a run and make your way through the levels until you reach floor 4.
Upon being killed bosses drop a weapon or item of random quality several hegemony credits and one to three pickups such as hearts ammo or keys bosses will always drop a gun if the player has not yet picked up a gun on the current floor.
There is typically one secret room in each chamber though it is possible for a chamber to have no secret room or multiple secret rooms.
Floor 1 and 2 both have rooms you can unlock by doing a special something.