Normally this battle doesn't go as smooth. There's a couple factors to take into consideration regarding this, the first one being that Sistermon Blanc is really broken, without her Protect Wave on Hard Mode Mother Eater kills your Digimon in two hits and he's capable of getting 5 turns in a row.
The second one being that I got some decent RNG on the 2nd Phase of the boss, the first good RNG showcase being that he decided not to kill my TyrantKabuterimon when he was more than capable of doing so at 06:18, the most important one was that near the end of the fight Omegamon used Connect Chain allowing me to get that Damage Boost in the last attack; ah also the boss didn't spam Vanquish Drive through the battle (which goes through Protect Wave for some reason).
All things considered Mother Eater isn't that hard of a boss, he's actually a pushover next to Eater EDEN, in my opinion he should use World Restart as often as he does Vanquish Drive at least on Hard Mode instead of being on a turn timer.
Ps: The Blanc switch into Chaosmon for his 30% Skill Damage Increase Passive wouldn't have been possible if Sistermon's Speed wasn't maxed.
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