Why remove mana pot?
Riot's reasoning for removing mana pots, "100 mana tends to benefit certain types of champions over others" is bs. Of course 100 mana benefits more champions than others, so does any other stat. Buying armor benefits some champions more than others as well, you wouldn't build thornmail on ashe outside of the tutorial. There are some things that are just more efficient on some champions, and you'll be chasing your tail to remove all of them until we run out of items. You want to weigh ability cost to mana regen stat, I get it. I want the choice to be able to take 1 less health pot in exchange for a mana pot, on thresh for example, trading hp sustain for a couple more abilities.
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I feel at such a disadvantage when I see my opponents mana go from 0-100 in a matter of seconds while I still sit at 0.
not being universally useful and having a consumable not specifically designed for any class
not being universally useful.