Pretty fun stage, though kind of silly. Yes there is the Iron Wall rush strat that pretty much everyone does where you rush the Clionel and pin her to the base by using Iron Wall right before you hit the base with A. Bahamut, and honestly I would highly recommend doing that strat. However I'm aiming to actually see how this stage plays out normally so take this run as something that was done for fun.
This run was decent, you can actually one cycle rush the Clionel, however have to get pretty lucky as this stage tries to do put tanky Heavenly Hippoes in the way of your rush units so that every time you knock back Clionel they'll be stuck on the Hippoe and Clionel nukes everything. This strat tries to build a stack massive enough to prevent this from happening.
Essentially for this stage, you want to lure right to your base, and then build a stack of Manic Flying/Can Can/Delivery Cats, then right before the Second Heavenly Hippoe gets in the way, have your A. Bahamut stop it, then Cat Cannon to save your stack of units and begin to rush. What's important to note is that you really want to get a freeze proc on Clionel right before she gets knocked back, this gives a much greater chance your stack won't die right after she gets knocked back and does her next attack. This is why A Gift of Cats is in this lineup.
Other than that it's basically just hope your stack won't die after each Clionel knockback. If your stack does die however, you pretty much have to lure again and repeat the rush strat, which is what happened in this run. You can most definitely one cycle with this lineup, which I did before on my non-recorded run, however this run went fine enough.
Another note is that Mecha-Bun is actually very useful here as not just a strong attacker for the peons, but also not too bad as a tank if your stack starts to die. Maglev is also very helpful here in preventing Bahamut from getting stuck on a peon, such as for the initial rush.
This strat can be kind of silly and inconsistent, but still works well enough, and doesn't really rely much on procs, however any proc that happens at the right time can help out immensely.
Manic Eraser 30
Eraser +48
Ramen 30+8
Manic Flying 30
Delivery 40
Can Can 30+3
Maglev 33
A Gift of Cats 30
Mecha-Bun 30
Bahamut 30