- Training Boost enables you to expand the MAX training level.
- Training Boost can be performed 10 times regardless of the card grade, and increases the MAX training level by 1 per boost.
- LIVE/Season cards require a Normal Training Boost Ticket, and Impact/Prime/Signature cards require an Advanced Training Boost Ticket.
- If you fail Training Boost, a rate bonus will be applied to your next attempt. (The rate bonus can be applied up to 10 times.)

① Failing a Training Boost will apply a bonus rate to the following Training Boost.
② Succeeding a Training Boost will increase the MAX training level.