Steps to reproduce:

• Unlock and equip "Dark Egg" and "Magical Feathers"
• Spawn some zombies
• Switch to survival mode
• Let the zombies hit you. Some dark vexes will spawn.
• Fly into the air so the zombies can't hit you.
• Punch a dark vex.
• The dark vex you just punched becomes aggressive towards you. The rest remain focused on the zombies.
  Lost Trinkets version 0.1.13
  Lollipop version 3.2.4