1. You are an incorporeal being that drifted to the station!
You have no objective, but to kill.
2. You can summon your special Machete with the "Summon Machete" ability in the top left corner. Don't worry, it can't be stolen!.
Additionally, its damage increases by 2.5 for every soul you steal using the "Soul Steal" ability!
3. For more information on your abilities, hit the button in the bottom right corner, then click on any of your abilities.
For more information, consult the wiki