Tip: During an event, if you accidentally merge or free up a level 2 harvester, place it near your tree and select it. Your dragons may fly to it, but they will
Merge Dragons The Secret Of Four Hidden Level 1st Win Gameplay Walkthrough - YouTube
Merge Dragons Levels Guide
Quitting Merge Dragons and addictive smartphone games | by Karen Liu | UX Planet
Spotted dragon merge - what level is good for these dragons?? : r/MergeDragons
What's your High Score on your Cashed-In Level 10 Dragon Farm Levels? : r/MergeDragons
Just in case anyone was wondering, making 2 lvl 8 glowing dragon trees give about 283 bush wonders. (logs mass merged, bushes mostly 5 merged) : r/MergeDragons
Merge Dragon - All Secret hidden Stages (Current Levels for May 2018) - YouTube