Hello, Commanders.

An issue has been identified following the Command Tank Engine Modification update carried out on February 24, 2026. Due to this issue, the effect duration of the IS-3 Command Tank’s Secondary Skill at Levels 6 and 7 was incorrectly applied as one turn.

Accordingly, the relevant department is currently working to investigate and resolve the issue as quickly as possible.

Please see the details below.

■ IS-3 Command Tank Secondary Skill Error Notice.

- An issue where the Defense buff duration is applied as one turn for Secondary Skill Levels 6 and 7 of the IS-3 Command Tank.

* We are preparing a fix so that this defense buff is set to two turns.

We sincerely apologize for the inconvenience caused and will continue doing our best to provide a more stable and smooth battle experience.

Thank you.

​