The Cursed Womb and Sukuna’s Fragment are two God-grade evolution items in Roll Anime to Fight, and neither can be rolled, bought from the shop, or traded from the starter menus. Both come from a single place, the Infinite Tower, and only after you push deep into its floors. The drop chances are extremely low, so knowing the exact floor gates matters before you spend tickets.
Quick answer: Enter the Infinite Tower and clear floor 76 or higher for a chance at the Sukuna finger (0.1%) and Sukuna’s Fragment (0.02%), and clear floor 100 or higher for a chance at the Cursed Womb (0.02%). You need at least 1 Infinite Ticket to start a run.

Drop chances and floor requirements
Each item is tied to a minimum Infinite Tower floor. Clearing that floor rolls the chance shown below. Higher floors keep the same odds, so the goal is simply to survive long enough to reach the gate.
| Item | Grade | Floor needed | Drop chance | Used to evolve |
|---|---|---|---|---|
| Sukuna finger | — | 76+ | 0.1% | Sukuna evolution item |
| Sukuna’s Fragment | God | 76+ | 0.02% | Yuji evolution item |
| Cursed Womb | God | 100+ | 0.02% | Yuji evolution item |
In the item menu, the Cursed Womb is listed as the “Development stage of a cursed spirit,” and Sukuna’s Fragment reads “A fragment of the strongest sorcerer of history.” Both note that they are obtained from the Infinite Tower, which confirms there is no alternate source.
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How to get Infinite Tickets
Infinite Tickets are the only way to start a tower run, and you need one per attempt. There are two reliable sources.
The first is the ticket NPC in the lobby. Look for the yellow circle under the “Buy Tickets Here” sign next to the Infinite Tower area and interact with it to purchase entries.
The second is redeeming codes. Several codes hand out Infinite Tickets, though most require you to reach Wave 76 in the main mode before they can be claimed. The FACTIONUPDATE! code, for example, includes 1 Infinite Ticket along with Gold and other rewards once you meet the Wave 76 requirement. Codes rotate often, so check the in-game Codes menu regularly.

How to confirm a drop worked
When you clear the required floor and win the roll, the item lands directly in your inventory. Open the Items menu to check for the Cursed Womb (a golden, spherical embryo icon) or Sukuna’s Fragment (a fleshy, multi-eyed mass), both marked with the God grade. If they are not there after a run, the roll simply did not hit.
The most common reasons you end a run empty-handed are straightforward. You did not clear the gate floor, so no roll happened at all. Or you cleared it, but the low percentage chance failed, which is expected given the 0.1% and 0.02% odds. Repeated runs to floor 76 and 100 are the only way to improve your chances, so stockpile Infinite Tickets before committing to long attempts.






