As pointed out in the latest Windows 11 Version 24H2 update post, OS build 26100.4946 (which launched on August 12) has ...

Use Wagarashi codes to gain more Clan and Skill Point rerolls to help you on your journey to become the strongest ninja.

Anime Vanguards codes allow you to obtain lots of free gems, traits, rerolls, cash, and other items. Here's a full list of all active codes.