Riot actually said after people play several games of URF/AURF, they actually get burnt out and we see a decrease in games played. It's why it's limited.
If it were here all the time our reward system response wouldnt generate as much endorphines when we make that "Big play" and for alot of gamers is what keeps us playing. We have been hard wired from Slow drip Drugs. Giving fast and loose makes us not appreciate it. That's the short and long of it.
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