|Defeat Star Devourer on Hyper Difficulty without using any characters with a positive Attack value.|
- In Co-op Mode, win a game against the boss on Hyper difficulty, without using any characters with an Attack stat higher than ±0.
This achievement is simple enough, as the requirements becomes identical to the Death and Taxes achievement after getting past the character select screen. The achievement will be earned as long as no one is playing a characters with a base Attack stat higher than ±0. This means that the achievement cannot be earned if anyone is playing as , , , , , , , , , , , , , , , , , , , , , , , , , or .
There are many good offensive characters that can still be used despite these requirements.is a very good choice, especially as an Attacker, as she will always have +2 Attack when challenging the boss, due to her passive. , , and are other valid characters who can attain a positive Attack stat through their passives.
A team of fourcan also be extremely effective, particularly 3 Attackers and 1 Dealer to ensure everyone has battle cards and Hypers. Nath's Hyper, , is not only great at dealing damage to Star Devourer, but it is also a great way to use up stars to prevent Star Devourer from stealing them. This team composition will also cause to heal the whole team for 4 HP, due to Nath having a base ATK value of -1.
Another strategy that will fulfill the requirement's conditions is for all four players to play as Dark Side of Business (Since gain 5 stars for each battle damage dealt, it's really meaningless)and try to use repeatedly in order to level up to norma 5 fast and defeat the boss by bringing it to 0 stars. All should become all dealers, as drawing as much as possible is more important and powerful than staying alive (Her high HP would be more than enough to survive), or Avenger/Attacker Poppo using