Dinoblade Boss Rush mode

How to unlock: beat the final boss. This is stated on the official Steam page (“Completing the final boss unlocks Boss Rush Mode”). ✓ Steam-verified

How rare is a clear? The achievement FEEDING THE BLADE (“Beat Boss Rush”) currently sits at 0.6% — the rarest achievement in the game. For scale: 2.4% of players have even reached the point of unlocking the mode. ✓ Steam-verified

The game also ships Steam Leaderboards, which fits a timed or scored Boss Rush — but exact rules (health carryover, summon availability, boss order) are not yet verified, and we won’t invent them. unconfirmed

Preparing for it

• Learn the deflect rhythm early — Kira and Kasei teach the fundamentals the mode will re-test.
• Max a Soul Art line: the MASTER OF THE DANCE / DASH / BLADE achievements confirm Meteor Slice, Meteor Dash, and Meteor Zone each have full upgrade tracks. ✓ Steam-verified
• Collect Ghost Summons — their passive perks apply pressure even outside the summon itself. ✓ corroborated

Cleared Boss Rush already? You’re one of very few — send us the ruleset details and we’ll publish them with credit. Game page: Dinoblade on Steam.