Olga then resorts in using the deities ' planet sized - super weapon - The Brahmastra - .
Yasha feels that using the weapon on Asura will only waste the thousands of souls collected for use against the Gohma .
Olga then resorts in using the deities ' planet sized - super weapon - The Brahmastra - but Yasha feels that using the weapon on Asura will only waste the thousands of souls collected for use against the Gohma .