Conclusion: For Ex Gomorrah, it is necessary to use the "core of Gomorrah belief" advanced.

　　Explain the reason: Gomorra needs to consume some advanced materials in order to enhance its strength. For Ex Gomorrah, the core of Gomorrah belief is one of the most suitable advanced materials. This is because the core of Gomorrah belief can improve Gomorrah's basic attributes and skill damage, with additional passive and fetter effects, which can make it more powerful.

　　Content extension: The core of Gomorrah belief can be obtained through guild stores, Bella Mall and Arena stores. But getting the core of Gomorrah belief is not an easy task, and it needs to pay a relatively high price. Therefore, while using the core of Gomorrah belief, we should also pay attention to the selection of other advanced materials to achieve the best advanced effect.

　　Such as gold, silver and so on. The level will not be cleared, but the advanced level will.