This is one tough (and fast) boss! In order to defeat it most efficiently, I needed to be able to blast it away in two attacks, and be able to survive a full onslaught in the meantime. This was achieved by buffing Selika's Defense and HP, followed by the usual increases in MP and Mag Atk.
There are 3,348 views in 14 videos for Ikusa Megami. Less than an hour worth of Ikusa Megami videos were uploaded to his channel, roughly 2.22% of the content that ruadath has uploaded to YouTube.