You already have flasks.

I dont think you understand the suggestion here, he meant combine the effects into one potion. Flask is like a bag

Personally i kinda like the idea because some of the custom mcmmo potions might see some use if people don't have to carry extra stuff. It would have to not work with healing though double strength healing potions would not be good.

I think it needs to be either more than 2 potions or not allow combining speed and strength though. Cause otherwise it will just end up with people combining those 2 for more space for healing pots.

Ruleblocks I did understand this suggestion, I just skipped the explanation part. Potions with mixed effects would be massively overpowered. Pot/sword spam PvP is already everywhere. There's no reason to make it easier.

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^^^^^^