Can I boost my warehouse toon to lvl 60 with a lvl 60 voucher, and how?

[pikapikapika]

Can I boost my warehouse toon to lvl 60 with a lvl 60 voucher, and how?  thanks.

Edited November 12, 2022 by pikapikapika

[Grimoir]

5 minutes ago, pikapikapika said:

Can I boost my warehouse toon to lvl 60 with a lvl 60 voucher, and how?  thanks.

 

Have you tried checking this?

https://support.bladeandsoul.com/hc/en-us/articles/360024567112-How-To-Use-A-Level-60-Boost-Voucher-On-An-Existing-Character