Hero Wars Heidi Event Level 190 BUFF 0 and NO TREE OF WISDOM: Be sure to check out this guide on how to manually play with Markus to not waste resources.

UPDATE:
Some buff levels might be "too high". What I mean is that with some buff levels Rufus might not be revived because the final hit will be a physical attack most of the time as compared to other buff levels where the final hit will be Celeste's magic attack which will revive Rufus.
I just uploaded the proof that the Tree of Wisdom does NOT MATTER. I hope to have a discussion in the comments there about solutions to these issues:
   • URGENT: Tree of Wisdom DOES NOT MATTE...  
I hope this helps!

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References:
https://de.pngtree.com/freepng/seal-r...

*AI used in this video: All voices in this video are AI voices.