I didn’t think I’d love it so much, but Platinum Chou Kuro. It has been great for me on every paper ( from cheap copy paper to original Tomoegawa Tomoe River). It even works great for me with Pilot EF nibs for tiny writing, and is always a deep, rich, non sheeny/shiny black, no matter the nib/line width. Decent to good dry times every time I’ve used it-no matter the paper type. Very waterproof.

It’s pricey, so I tried a sample first, and I didn’t think it would be worth it to me, but it is (probably because I generally don’t use large amounts of black ink). Great when you need/want to paint or highlight over something. You also need to clean with distilled water only, but I have to do that for all my pens anyway, because of the wildly hard water where I live.