"There used to be lots of us, now only three. Our master has left us, but now we have another. I hold great power but I am still rejected. Come to me guardian and you will feel power.
Made this riddle a bit easier. Good luck everyone ;)
Answered by orange
The answer was [spoiler]telemetries[/spoiler]
Explanation:
[spoiler]"There used to be lots of us, now only three" - there used to be 9 telemetries now there is three
"Our master has left us, but now we have another" - xur used to sell them but now the gunsmith sells them
"I hold great power but I am still rejected" - they help you level up guns but lets be honest no-one uses them
"Come to me guardian and you will feel power" - they are actually quite helpful[/spoiler]