R.Ost is among the most well-equipped pushers in the game. He has fast movement speed, high health, enough range to hide behind most peons, and rapid Area Attacks that will shred your cats. The icing on the cake is his 10% Critical Hit chance which makes fighting him much more inconsistent. Fortunately, he has five knockbacks which reduces his heavy pushing power.
At high strength magnifications (200% or above) R.Ost will out-perform similar bosses like Bores and Bun Buns, as there are very few consistent traitless counters working against them. On mixed stages he will disrupt whatever strategy you are using to take down the traited enemies. The bottom line is that if there is a R.Ost on a stage, you need to account for it.
Strategy[]
Long-ranged attackers such as Crazed Bahamut Cat, (Crazed) Dragon Cat, Paris Cat and/or Drama Cats will do fine against R.Ost in earlier stages. However, in much later encounters, you may need the use of more crowd-control against R.Ost. Tourist Cat and/or Glass Cat can be good at this, as long as using crowd-control is not exploitable by the other enemies in the stage. Another, less applicable strategy for R.Ost is to use Awakened Bahamut Cat. When used correctly, he can chip off an R.Ost by being timed to strike during R.Ost's backswing animation (the second peck), then let the R.Ost be finished by the rest of your attackers if Awakened Bahamut Cat did not kill said R.Ost. For this to work, Awakened Bahamut Cat must approach while R.Ost is frozen or during R.Ost's backswing and there can't be any other enemies in front of R.Ost. Freeze effects, such as the Thunderbolt Cannon and Tourist Cat, can make this easier to time and give more chances. Unfortunately, this tactic becomes less and less viable at higher magnifications where R.Ost could destroy Bahamut in two hits (or instantly with a critical hit) and has enough health to avoid being knocked back in even one, so you should mostly rely on your usual counters.
Some units exclusive to the EPICFEST event will do very well against this avian atrocity, and Jagando can deal with them in the late game. The weaken effect helps a lot too, so don't be afraid to save an extra slot for Thaumaturge Cat. Overall, this enemy is not very difficult when alone, but can be a real pain in numbers (e.g. in The Bathroom, Procrastinator Parade, and Caliban's Keeper) or with enemies that take advantage of his many knockbacks, such as Hannya in River Styx.
A strategy for stalling groups of R.Osts is to use Suntan Cat, as the fast attacks will make it so that Suntan Cat will get at least one dodge off, allowing your defenses to stay alive longer.
Has recently started to worry about hair loss. For your information, “Ostrich C” is the last name, and “lub” is the first name. Occasionally releases a Critical.
A Metal enemy that only appears in the Golden Week and Silver Week events. It has the usual Metal ability of only taking 1 damage except for Critical Hits, but it has much lower stats all across the board and cannot perform Critical Hits itself.
The Relic version of R.Ost, with even higher health, damage, range and speed, but double the knockbacks. Instead of doing critical hits, M. Ost has a 100% chance to curse, knockback and slow cats with each hit.
Turn the animation on and off using the switch in the upper left. Clicking the viewer background enables scrolling and zooming with the mouse if on desktop. Note that browser zoom may cause issues with scrolling and zooming. A list of available backgrounds can be found here. For more info on usage, see here.
His English name R.Ost is a pun on the word Ostrich.
The joke with his Japanese name and description is that he belongs to an ostrich club whose members are all named Ostrich Club; it's also a reference to the Dachō Club, a Japanese comedy trio.
If you pay attention to R.Ost's attack animation, you'll notice he doesn't have multi-hit, and as such only one attack does damage while the other's his backswing. This allows you to time units easier in stages such as Realm of Carnage.
He is one of the few Battle Cats characters to change genders depending on the language, with him being referred as female in his spanish description, which says that his first name is "Angelita" (Note that angelita is a female spanish name) but as male in some other places.