- The boss: has only 1 health bar, and has a countdown (which is similar with the last stage of The Golden Emperor's Vengeance event against AGL Frieza).
- Defeat before the countdown hits zero, or Trunks will hit you with the Final Hope Slash and inflicts over 20 million damage, ending in an insta-kill.
- You can use a Dragon Stone to revive or continue if you are insta-killed by Trunks.
- The cards below can withstand the KO-inducing blow, surviving with 1 HP:
- Characters with the Link Skill "Dismal Future" can bypass the bosses' DEF and can inflict more damage on them.