Every hero has a helper.
A magical duplicate of your character appears at your back and attacks any enemies that are behind you. The Sidekick stands with its back to your back and attacks as slow (or as fast) as you attack. This looks like a much better power than Mech Master and the other "summon an assistant" Nexo Powers.
This QR Code will upgrade your Nexo Power to 5 Stars. Each time this page is refreshed, a new code 24-hour QR Code will be generated.
If you receive the "time zone error message", click on your offset to generate a new code for your timezone.
If your region uses Daylight Saving Time, you may need to click on the time zone that is 1 hour earlier to get a QR code that will work.