Can somebody help me find this post or answer this question?

[Divanochi]

Luring Collectors is dead, long live Luring Bronze

Introduction Sunkens have a pity system now, so we need to figure out a new best fishing strategy to be prepared for the release of AO. Actually, no, the release is a long way ahead and fishing is boring, but I’m also bored so I’ll make a long winded post pretending it matters. Methodology We need a way to find the average number of catches required to catch a sunken item. One of the ways to do that is the following: Suppose you’re fishing for sunkens, every catch has a 1/2000 chance to be a…