When Timburr evolves does it's log evolve with it?

Question

same with gurdurr's steel to conkeldurr's concrete pillars

Answer 1

Yes, exactly why the items change, to represent that the Pokemon it evolved to is stronger than its previous form. Why Conkeldurr can lift Concrete Pillars with ease

Comments

It's weird that wood turns to steel and steel turns to concrete.

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i think it simply throws away the log after evolving, tries to find something heavier after evolving. weird how all of them laid they're eyes on iron   o.o

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Krookodile does the same thing in the anime. Its Shades increase in size if I remember correctly.