Final answer:
In Valorant, Jett's Updraft (Q) ability costs 100 credits. This ability is key to Jett's agile and vertical playstyle, allowing her to move upwards quickly.
Step-by-step explanation:
In the popular tactical first-person shooter game Valorant, the character Jett's Updraft ability allows her to propel herself upwards. The cost of Jett's Updraft ability, which is referenced by her Q key in the game settings, is 100 credits. Players can purchase this ability at the beginning of rounds, and it's essential for those who wish to utilize Jett's agile and vertical playstyle. Note that the cost of abilities in games like Valorant can change with updates or balance patches, but as of the latest information, Jett's Updraft costs 100 credits.