Life is Strange

The 'Time-Control Artifact  is an artifact owned by Feng, that Akira Kuno recreated using the G-Liner.

Overview
The Time-Control Artifact is a sphere with buttons similar to those of an mp3 player. It has a screen with a number and the letter y (for years).

It has the power to rejuvenate or age a person by a chosen number of years, but it's user undergoes the same amount of years multiplied by ten.

History
At some point, Under (via Feng) acquired this artifact.

Unrepair Arc
Feng seemingly used it on Rip after being deathly injured by Andy.

Autumn Arc
During the final battle against UMA Autumn, Akira Kuno recreates the time-control artifact through G-Liner, and ages Rip by 15 years.