Yeah that will take a little bit of time first you need to link your WAX and Splinterlands accounts

In Splinterlands click link external wallet

enter your WAX address click save and then open the following link
https://splinterlands.atomichub.io/tools/overview/splinterlands/deposit

Bringing you to the Splinterlands WAX atomic Hub deposit tool, sign in to your wax wallet & ensure your Hive account is listed in the highlighted area.

Select the NFT you wish to deposit click deposit

Thanks for participating let me know if you have any further issues