For this challenge, we get the following description:
In adventuring, we often come across many ancient Earthly artifacts that we must decipher to be able to sell for the right price. Normally, this takes years of experience to master, but you might be able to pick up this skill fairly quickly, so take a look!
You turn over the stone tablet handed to you and it reads
czkkcv_trvjrij_zj_xffu
Flag format: IGE{XXXXX_XXXXXXX_XX_XXXX}
Using CyberChef with this recipe we get the flag: little_caesars_is_good, and after wrapping it in the flag format we get: IGE{little_caesars_is_good}