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Probably have to use darkshade. Would look something like this:
Curare/darkshade - target cures both
Curare/darkshade - target cures paralysis
Curare/kalmia - target cures paralysis and asthma
Curare/euphorbia - target cures paralysis
Curare/vardrax - target cures paralysis
Curare/kalmia - target switches prio to ginseng to stop from dying to darkshade, eats two ginseng
Gecko/(ginseng aff probably) - target eats another ginseng
I'm assuming two herb eats every other dstab because it seemed to happen a lot in your log. You probably sometimes get two dstabs in a row where the target only gets one herb eat, which would make this a lot easier. Same basic idea, though. How exactly it works out will obviously also depend on how exactly your opponent does their prios.
For classes without instant-impatience, sticking weariness is impossible without a focus stack or impatience.
Serpent would need to load up focusables before weariness/snap, or apply after snap.
Rebounding: It's not usually necessary to flay it. You can let them bring it down on their own and either begin your setup right when they do (if you can fit your setup in one rebounding cycle like that) or begin your setup with a few dstabs before rebounding comes up, but nothing dangerous (no snapping or anything), let the target feel comfortable and still bring rebounding down on their own, then turn it into a kill. If you do need to flay, same basic advice as for shield below.
Shield: Depends what stage of your offense you are at. If you are burying afflictions like asthma, darkshade, and clumsy under curare, and they shield, you just flay curare and you should be able to maintain your momentum. If they shield right when you snap, before you finish your lock, then what you flay will depend on where you are in the lock and what your target prioritises. If they prioritize impatience, and you haven't stuck gecko, you might have to flay aconite so that when they eat goldenseal, it has a 50% chance of not curing impatience, and then you can gecko/slike immediately after to finish the lock. If you are doing something like the setup I showed above that ends in vernalius/slike, you'd just flay slike, and then add vernalius after. They can't fitness while off eq from shield, so it works the same.