Guild Feat - Spectacle (Cult of Rakdos)

You become very acustomed to going crazy during combat you gain the following features:

• Whenever you score a critical hit, you go crazy, when you are crazy you have advantage on attack rolls and have a +2 bonus to AC, Attack rolls, And damage rolls.
• When you drop to 0 hit points, you can use your reaction to attack the nearest creature within your held weapons range.
• You take 2d8 psychic damage if you did not make at least one attack that turn.
• You can choose not to attack and that will end your insanity, or you can make a Wisdom save DC half of the damage from your critical hit or 10 whichever is higher.