Our longest cast time is Lightning Bolt at 2 seconds base, and our shortest are all at 1.5 second effective cast times (either they take 1.5s to cast, or they trigger the 1.5s global cooldown).

Elementals, we have Lightning Bolt, Lava Burst, Chain Lightning, and a bunch of instant-casts. Stepping back a bit, let’s think about our arsenal of spells. Now, because lag fluctuates – especially in a raid environment where all the four sources we talked about previous combine to do their worst – the precise moment at which a spell queue action becomes possible will vary from cast to cast. The grey area in the middle is the period during which the client will let you press buttons and then ask the server if it can queue a spell yet. 'Hard lockout' still on the left in red, with the 'queue zone' on the right in green. We’ll assume that this particular player has 33% haste giving 1.50 second cast times. Let’s take a blank, empty cast bar for Lightning Bolt and see how the rules above apply. However I don’t think anyone would dispute the above list. It’s notoriously difficult to test, and combat log timestamps aren’t much help either because of the way they are applied. I write “how we think” it works because truth is that nobody really knows for sure. This cannot be circumvented by any means.

Exception: there is a one-second hard lockout after any spell cast is started during which the client will not permit further attempts at spellcasting.

Spells which are on cooldown cannot be queued.Spells can be queued during the “ global cooldown” (but see below).The client will send the server the instruction and wait for a response before giving any error messages.This is thought to be possible about 300ms ( 0.3 seconds) before your current cast ends on the server.It is possible to “ queue” your next spell before your current spell finishes casting.

To start with, let’s run through the basics of how we think lag and the spell queue works: In this post we’ll zoom in closer and see what we can do about it. Part one introduced the concept of lag and what causes it and part two thought about how it affects World of Warcraft.

All the things wow addon lag