Taiyin thunder palace, located in the north of Xingchen Island, is almost ignored on weekdays.


    When jianwushuang entered the Taiyin thunder palace with a talisman, he was stunned by the scene in front of him.


    Where is this palace? It''s clearly a huge sea of thunder.


    As you can see, the whole palace is filled with dense black thunder. It is a sea of thunder, a dark sea of thunder.


    The sea of thunder is full of black thunder, each of which is extremely terrible and powerful.


    "Good guy, I want to enter this thunder sea, and then absorb the power of these thunder under the endless thunder, so as to transform and condense my sword heart. Once a breakthrough is made, the sword heart power he can urge will also increase sharply. Naturally, the overall strength will be greatly improved.


    However, this level of improvement alone is not enough to make him pass the second test of the black tower. His strength still needs to find ways to become stronger.


    ……