Dour is a wood Mana that exists within nature. Wood Manas tend to be cheerful and friendly towards people. (Fairies are types of Tree Mana) By working together with other Manas, wood Manas can create healing items.
In Mana Khemia: Alchemists of Al-Revis Dour is known as the Mana of Tree. He seems excessively shy, being unable to complete any of his words or speak loud enough for anyone to hear.
The Mana of Tree first appears in Chapter 2: Finals and the New Kid. After Tony and Renee burns the Huffin Tree, Vayne, Nikki and Jess arrive to see it. Nikki and Jess leave with Vayne and Sulpher staring at the tree, wishing that he could do something. A flash of light comes out of him and later, the following day, the tree is restored to life. When the 3 come back to see it, the Mana of Tree appears behind them. He tries to thank them, although with little avail. Nikki understands him and tells her friends. Jess says that they didn't do anything. The Mana of Tree, however, still insists that he show his gratitude somehow. Jess comes up with the idea that Nikki make a pact him and so she did.
Nikki uses him when she using the skills: Wood Shake, Wood Swing, Wood Storm, Decoy Shield, and her Finishing Burst, Super Nikki Punch.
Popote is a cheerful fairy who loves food, and is a great eater. He came to Meriela's workshop in order to request her to create a "blue wakkakka (あおいわっかっか)", an item not even Popote himself appears to know what kind of item it is like. He offers to live and work at Meriel's workshop until Meriel has finished the Blue Wakkakka, as payment for his request. Popote soon starts helping Meriel out with her work by doing tasks such as synthesizing and gathering requests from the townspeople.
↑Ja.wikipedia.org/wiki/エルクローネのアトリエ 〜Dear for Otomate〜
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