Board Thread:Questions and Answers/@comment-38524365-20190531232455/@comment-39117959-20190601042746

In this wiki it's known that in battle between Omnipotence powers the one who strike first win.

and both are Sub-power of Omnipotence, so if you with Omni Absorption strike first you will Absorb the one with Ultimate Erasure BUT if he hit you first he will annihilate/wipe you out.