It will have unlimited FPS, but everything should continue to Diablo 2 Items run in precisely the same tickrate and with precisely the identical logic as the first game. If you loved creating a hammerdin back in 2001, it feels like you should be able to make exactly the identical hammerdin in 2021.
Part of the charm of playing Diablo 2 on line is your private and personal servers which can be created immediately, and keeping this attribute around would serve the sport well. Jumping to a series of Baal runs or a trading area is core Diablo 2, and I would hate to see it go. Finally, doing away with all the personality expiration countdown which has promised more level 99 Hammerdins than any hardcore playthrough is a great choice by the developers.
This one does not require much of an excuse. Diablo 2 would not gain from microtransactions, and having the ability to get things with real money (looking at you d2jsp) would harm the in-game market which may be quite just and exciting. And including cosmetics and pets really wouldn't do much for the game that already has beautiful artwork updated for the remaster.
A transmogrification system such as in Diablo 3 would be rather cool, allowing players to don unique fashions of apparel without actually changing gear. Still, it would also alter a good deal of the player experience. Experienced players may often tell what a character is wearing only by external appearance.
Adding in the ability to Cheap Diablo 2 Resurrected Items find another player's gear (as we've seen in a number of the best Diablo 2 mods) when clicking on them will likely be welcomed by a lot of men and women.