Grounded: Infected Broodmother solo [Whoa! difficulty - No damage] (No Lil Fist Edition)

Official Release v1.2.4.4140
Truth be told, I originally ran this build before I committed to Lil Fist. I wanted to finish the fight in this manner earlier; however, I got sidetracked by Tears of the Kingdom.
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:: Phase 1
The calmest part of the fight, as every attack she has is similar to her base version - but without the spiderlings. Don't overcommit - slice and dice.
:: Phase 2
Bombs ahoy!
Notably, I'll go to this corner of the map for that reason: i.imgur.com/LUFfWje.jpg
This is out of the way of the fungus bombs and gives a couple of escape angles in case the haze dust she kicks up reduces your visibility significantly.
Outside of the bombs, one can stay in this corner if they use the PEEP.R to spot her silhouette. It works very well with identifying her attacks even if she kicks up several stacks of haze dust.
None of her attacks in this phase chain together quickly enough to need multiple perfect blocks, so feel free to learn them at your leisure.
:: Phase 3
Upon her second resurrection, the Infected Broodmother gains a permanent 50% attack speed buff and can use improved attacks from phases 1 and 2, truly starting the fight.
The Infection debuff shines here, as the -10% attack speed it applies allows the fastest flurry attack to be perfect blockable, as otherwise, it's almost impossible to react to reliably (though the debuff may be just a placebo effect). Koi Scale armor is a good substitute without the debuff, as it increases the perfect block window by 15 ms, which is enough to cause double perfect blocks simply because the attack is that fast.
Past the flurry attacks, stay in the safe spot. It's not worth going in the areas with droppable fungus bombs, as one is very likely to get hit while paying attention to a faster Infected Broodmother. The only danger in this corner is if she attempts to launch an egg bomb at you, in which case you should run toward her side to avoid it. Eventually, she'll fall.
If it wasn't for her turbo speed + haze dust, this fight would be reasonably balanced, as both combined are a bit much.
(Note that I don't bother perfect blocking the last fast flurry when she's almost dead in the third phase. Never overcommit in this fight when you don't have to, especially in Whoa! mode. On another note, she never managed to step into the water in this run. Also, don't drink the water.)
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Items and Equipment:
Toenail Scimitar (w/ Fresh upgrade) Lv. 9 - With Infection (-10% attack speed debuff), it allows for damage opportunities you wouldn't get with other weapons.
Fire Ant Shield - A 50% chance upon blocking with this shield applies the corrosion debuff to the Infected Broodmother, which lowers her defense by 15% for 10 seconds.
Suspicious Ice Cap - Each attack adds +15 Fresh damage.
Eyepatch (Sleek) - Adds 10% more to one's attack but at the cost of taking 25% extra damage.
Assassin's Chestplate (Sleek) - Critical hits have a 30% chance of causing a bleed debuff. Since the Infected Broodmother is 60% resistant to bleed, this ends up doing 6 damage a second for 10 seconds.
Fire Ant Leggings (Sleek) - This piece has a 10% chance to inflict corrosion on the enemy, which reduces defense by 15% for 10 seconds. Be aware that this doesn't stack with the Fire Ant Shield's debuff, but by using both, you'll likely keep the corrosion debuff on the Infected Broodmother for most of the fight.
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Drinks and Food:
Empanadust - For faster stamina recovery (+50%)
Spider Slider - For extra crit chance (+5%)
Boss Sauce - For even more crit chance (+5%)
Liquid Rage - For more attack (+10%)
Green Machine - For faster stamina recovery (+20%)
Boost Juice - For more base stamina (+20)
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Mutations:
Blademaster Lv. 3 - While the 30% attack reduction debuff on Infected Broodmother is nice, this is mainly used to almost completely ignore the exhaustion timer, as it reduces it by 90%! It's raining stamina.
Buff Lungs Lv. 3 - 50 more stamina, can't go wrong with that.
Coup De Grass Lv. 2 - 5% crit chance, stack all the crit.
Trapper Peep.R Lv. 3 - 60% more damage from critical hits, pairing nicely with the other buffs.
Shocking Dismissal - On 20% of blocks, one gets a melee attack that adds 75 shock damage. Surprisingly, it didn't proc all that much here, despite Infected Broodmother's attack intensity.

[@moritzkrenn3674]

The peeping to see what shes doing is brilliant

[@SnakeandLevi]

I just realized what he’s doing after finally beating her the first time on solo on whoa!!!😅
I used koi head and legs and termite king chest
Sus Mint charm
Blade Master,Parry Master, coupe de gras, peeper and cardio fan for phase 1 & 2 then phase 3
Koi head roly poly chest and legs
Fungal charm
Meat Shield, Parry master, spicy safety, corporate kickback, & mirthadisim it was hard but I found this works good as I only had trouble with phase 3 it really feels good to finally do just had to tank up for final phase to compensate for the 2-3 mistakes I made

[@0seraphic]

are there any lances in this game?

[@KCGemini]

They got spears: grounded.fandom.com/wiki/Rusty_Spear
It was one of the best weapons in earlier versions of the game.

[@amy2brno2b]

twice you peeped her, then unoeeped and blocked something that was entirely invisible what was that? something she threw at you? htf did you see it???

[@KCGemini]

At 1:25 and 2:45 , she screams, which is pretty well telegraphed. That's likely the 'invisible' attack you were referring to, which has a screen-wide hitbox.
At 1:30 and 1:41 , I could tell she was primed for her jumping attack due to her specific animations.
Both attacks can be timed well to perfect block once you know what you're looking for.
Your first and last statements are also the answer you were looking for. I use peeping to see her silhouette through the spore clouds; otherwise, you're at the mercy of RNG.

[@amy2brno2b]

@@KCGemini that is exactly it, ok. i've just never seen it bounce off the shield like that. thanks for the answer :)

[@vrubinets]

She didn't throw any bombs in your fight. Maybe once she did. During my fight with her - she throw bombs every 5 sec or even more often. And heal herself very fast. What am I doing wrong?

[@KCGemini]

The infected mines attack in the third phase is RNG and time-based. With cooldowns and average luck, she uses said attack after roughly 30 seconds. In this video's case, I got lucky, as she never used it. As for her healing, staying in the area I fight her in significantly reduces her chances of recovering from multiple explosions due to her being out of range.

[@MetalSniperHD]

How did you know when she was about to combo? I mean muscle memory at this point

[@KCGemini]

Some of it is muscle memory, but I try to remember her attack-based cooldowns during specific patterns.