What is a Rhubarb?
Based on Tim Burton’s 1989 Batman movie, I’ve always known a rhubarb to be the part of another man one would be ill-advised to rub.
Further research, however, indicates that a rhubarb is actually a vegetable commonly used in pies and other desserts.
What are they for?
Every baker worth his salt knows the pie-filling uses of a rhubarb stalk, but what about the leaves? Do you just toss those away like worthless sacks of moldy potatoes? Not if you know what’s good for you!
As it turns out, there are a number of real world uses for rhubarb leaves. But the real world isn’t what we’re concerned with here. In D&D, powdered rhubarb leaf and an adder’s stomach (also not recommended for rubbing) are the two material spell components for the 2nd level evocation spell, Acid Arrow.
Where can I get powdered rhubarb leaf?
Only your DM knows (or likely makes up on the spot when you ask her) how common rhubarb is in your fantasy world. At their discretion, you might be able to forage for some growing in the wild with some successful skill checks.
Another good place to try is the local baker. He’s probably throwing away his rhubarb leaves like a fool. His trash is a wizard’s treasure.
Of course, drying and preparing your rhubarb leaves to be powdered takes time, so your best bet is to pick up some pre-powdered leaf at the local alchemist’s shop.
To be honest though, I’d be more concerned about how you’re going to get that adder’s stomach.
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