C1267 Thunbergii Radix

Do you know what this leaf is?

In his mind, Li Su asked the System in a muddled voice. He really wanted to know what he got after wasting such a huge amount of energy.

[Leaves of the Thunderwood Tree]

Thunderwood Tree? Li Su asked in her mind. What was this? It was as if he desperately tried to get his hands on something that was somewhat useless