| KJ | Playable example; also a code reward | Named in the official description's playable-examples sentence; the FREEKJ code is documented as granting the KJ character. | Official |
| JK | Playable example | Named in the official description; the October title tag also advertises JK alongside KJ. | Official |
| Strongest Hero | Playable example | Named in the official description's playable-examples sentence. | Official |
| Gojo | Playable example; ultimate reworked | Named in the official description and in Roburo's summary; a September 18, 2026 creator video reports the Gojo ultimate was renewed. | Roburo |
| Undying Hero | Playable example; ultimate added | Named in the official description; a September 18, 2026 creator video reports the Undying Hero ultimate was added. | Creator video |
| Zombie Man | Official tag; ultimate reported | Appears in the official tag block; a September 19, 2026 community video reports a second ultimate move and ultimate music; the ZOMBIEMAN codes reference the character. | Official |
| Mayhem Naoya | Official tag | Appears in the official tag block; tag presence is not an unlock claim. | Official |
| Jun | Official tag | Appears in the official tag block. | Official |
| Shinji | Official tag | Appears in the official tag block; other battlegrounds titles advertise FREE SHINJI promotions. | Official |
| Cosmic Garou | Official tag; form tied to an expired code | Appears in the official tag block; the COSMICFORM code documented as granting Cosmic Form is reported expired by Roblox Den and KodeGG. | Official |
| Invincible | Title promotion | The experience title advertised FREE INVINCIBLE during the September window; the grant flow is not described by an official source. | Official |
| Energy Master | Reported new character | A September 14, 2026 creator video reports the addition; played in a September 17 player video; no official source names it yet. | Creator video |
| Whitebeard | Reported new character | A September 14, 2026 creator video reports the character is gifted randomly by the developers; no second source yet. | Creator video |