He means Phurba, and also, on your previous question, outside of magian trials, the best combo is probably the one I said I was using earlier, Phurba/Twilight.
Regarding Twilight Knife and Samba procs, me and Byrthnoth were under the same impression, that if dagger effect procs on main hand, samba still procs on offhand, if it doesnt proc at all, samba just proc normaly. Keep in mind this is not set in stone, since I really didn't do any extensive testing since I got it, altho it seems to work like this.
On your Shinryu question, with Brew on the only way Shinryu can actually kill you is with Doom. So I'd say get a Doom Screen from Dominion NPC in Heroes zone, and bring a couple holywaters if you want to be extra safe. Other than that, he can't even damage you. Only thing that you actually get hit with is vortex, and that does like ~700 dmg, doesn't matter much when you got 9999HP and a 300hp/tick regen on.
TL;DR As long as you have a way to remove/prevent curse, and can do all ws's before the brew wears you're safe.
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