Further 1.10 Changes

[Professor Frink]

It won't be exactly the same though.  Currently, anything that has a global cooldown shares that cooldown for the entire period.  Use a Greater Fire Protection Potion?  Same cooldown for both another GFPP and a Major Heal.

That would kill many of these trinkets, and basically say "vendor anything but the best one you have".

So I'm guessing it'll have two cooldowns -> one global, similar to potions, that is short, and one item-specific, like the current trinkets, that is longer.
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My understanding of the cooldown system is that every item/spell has (up to) three cooldowns:

1) the global cooldown, how long after you use the item before you can do anything (like cast another spell). Some spells and items like the ToEP and ZHC don't have this so you can cast another spell immediately (and even macro one after the other in the same macro) Some silence-like effects also do this (and some do debuffs that prevent spellcasting)

2) The cooldown listed on the item/spell, which effects only that thing

3) shared cooldowns, which consist of a duration (possibly the same as the item's cooldown, possibly not) and a list of things the cooldown shares to. none of these items will be usable until after the shared cooldown either.

So for example the Tidal charm has a 15 minute cooldown, but a 3 minute shared cooldown with a few other items (moslty other stunners) including the rocket helmet. so if you use the tidal you can't use the tidal charm for the next 15 mins or the rocket helm for the next 3 mins. If i recall correctly, these cooldowns run simultaneously, so if you use the rocket helm (20 min cooldown), wait 10 minutes, and use the tidal charm, the rocket helm will still have a 10 minute cooldown on it. If you waited 18 minutes before using the tidal, the cooldown would move from 2 minutes left to 3 minutes left.

The combat potions all have a 2 minute cooldown and apply a 2 minute shared cooldown to each other, but that's just because they're in the game's tables to do such a thing, the system is a lot more flexible than that.

At least according to thottbot, the shared cooldown can even apply a longer cooldown than using the other item would; the arena grandmaster is listed as applying a 5 minute cooldown to the 3 minute AB trinkets. I haven't tested this in-game, can anyone who has a grandmaster and a defiler's/arathor talisman confirm?

-- frink