Originally Posted by PsychoPowerJ
There's probably just two Twisted Treelines. One is in Zaun which used to be an official arena until the Institute decided to relocate it to a new one in Shadow Isles. Maokai is from the Zaun one.
It would have been such a simple fix.
"The Twisted Treeline has been deemed unusable due to increasing magical instability of the region. With the new champions and information emerging from the Shadow Isles, the League has determined a new location in the region as a suitable replacement."
Two sentences that explain this huge, unprecedented change.