Frost Mage DPS Mythic+ Tips in Battle for Azeroth (BfA) 8.0.1
Table of Contents
General Information
On this page, you will various tips and pieces of advice for clearing high Mythic+ content with your Frost Mage.
The other pages of our Frost Mage guide can be accessed from the table of contents on the right.
About Our Author
This guide has been written by Kuni, one of the best Frost Mages in the world, who raids in Midnight Sanctuary.
1. Frost Mage in Mythic+
Frost Mage is highly valued in Mythic+. It's one of the better 2 target
cleave specs, and has formidable AoE damage. In terms of utility it brings
Arcane Intellect for your casters and healers,
Remove Curse as minor utility, and the best AoE slows in the
game.
1.1. Frost Mage Mythic+ Rotation
Both the single target and multi-target rotations do not change in Mythic+ content. For more information about the Frost Mage DPS rotations, refer back to the Rotation, Cooldowns, and Abilities page.
That said, most of the AoE damage Frost can put out is concentrated into a Shattered 
Comet Storm. Comet Storm will deal damage 1 second after it has been cast, and roots will break approximately 1 second after they are applied. Thus, if you cast 
Freeze either just as the first comet is impacting, or just after, you should gain Shatter benefits on 4-5 comets.
1.2. Frost Mage Utility
Frost Mage provides support for the party through excellent cleave damage, raid buffs, and other additional effects such as mob management and immunity cheesing of mechanics.
Ice Block can be used to soak mechanics that would otherwise
inconvenience or kill other party members.
Remove Curse allows you to remove curses, a fairly rare power
limited to Druids and Restoration Shaman.
Arcane Intellect grants your party 10% Intellect, a sizable
throughput benefit to your casters and healer.
Time Warp gives your group that extra DPS push.- With
Frigid Winds you have access to the best AoE slow in the
game through 
Cone of Cold, and one of the top single target slows
attached to your primary spell. 
Polymorph, 
Frost Nova, 
Ring of Frost,
and 
Freeze all give you varying types of crowd control.
2. Mythic+ Talents for Frost Mages
Most talents are viable in Mythic+. Depending on your specific group make up, you may choose to focus heavier on single target rather than AoE, or perhaps more on short term burst over longer duration stability. For the most part, anything you would pick for raiding will carry over easily enough.
Rune of Power is actually rather interesting in Mythic+ given
almost all of our AoE burst is within 10 seconds. It is definitely fun in
lower keystones, but 
Incanter's Flow will be better in most higher
keys due to length of encounters, and the need to move out of mechanics that
will actually kill you.
The vast majority of the time you will be changing between
Splitting Ice and Comet Storm. The rest of your build will
carry over from raiding. Comet Storm offers superior single target and AoE
burst, where Splitting Ice is preferred in dungeons with lower mob density,
such as King's Rest. The choice will depend on key level, how large your tank
intends to pull, your teammates, and what dungeon it is.
A good general use is Comet Storm unless you are in King's Rest, in
which case you go Splitting Ice. This should cover most pick-up-group
scenarios, and just about all keys ten and below.
3. Mythic+ Affixes
The way Mythic+ affixes are tiered in Battle for Azeroth has changed quite a bit since their launch in Legion.
There are now three weekly affixes and one seasonal affix. The first affix available instantly at level two, the second affix starts at level four, the third affix enabled at level seven, and finally the seasonal affix at level ten.
3.1. Tier One Affixes
Fortified increases the Health pool of all non-boss
enemies by 20% and damage dealt by 30%.
Tyrannical increases the Health pool of boss enemies by
40% and their damage dealt by 15%.
Fortified and 
Tyrannical are the two
affixes every player will see. These affixes shift the focus of dungeons from
boss to trash depending on the week. During Tyrannical weeks players may want
to take more single target and sustained damage oriented talents, but that
will be both dungeon and key level dependent.
3.2. Tier Two Affixes
Raging increases the damage dealt by enemies below 30% by
100% until they die. Your slows and freezes will come in handy if your tank
dies when a pack is nearly dead due to the extra damage output. Kite, your
life depends on it.
Teeming adds additional trash mobs to certain packs
throughout each dungeon.
Bolstering buffs remaining enemies Health pools and damage
dealt by 20% when an enemy dies nearby. To counter this affix, DPS all mobs down
evenly and focus your casts into high Health mobs if there are any.
Bolstering's range is 30 yards and you can hold a mob out of range through
either Polymorph, or any of your roots, to prevent that mob from
gaining stacks while others die.
Sanguine places a pool of blood on the ground when a mob
is slain. This pool will heal remaining enemies who stay inside the zone and
also damage players. Take care to not utilize heavy slows during these weeks,
and possibly spec out of Frigid Winds entirely so mobs get out of
the pools quicker.
Bursting forces enemy mobs to detonate when slain,
afflicting the group with a stacking debuff that causes players to suffer 10%
of their max Health in damage every four seconds. Ice Block will
drop stacks applied to you if you are in danger of dying due to an
uncontrolled amount of mobs dying.
3.3. Tier Three Affixes
Volcanic spawns volcanic plumes underneath and around
players when in combat with any enemy. When damaged by Volcanic, players suffer
50% of their maximum Health pool in damage. The more enemies you are in combat
with, the more Volcanoes that will spawn. 
Ice Floes is fantastic at
countering this, since you only need to sidestep slightly in most cases.
Grievous afflicts players with a stacking DoT when they
fall below 90%. Ice Block will not drop the stacks, but it will
make you immune to the damage, giving your healer a chance to recover.
Quaking will periodically attempt to interrupt casters by
creating a damaging zone around each player. About 3 seconds after the zone
forms, it will deal 20% maximum Health in damage to each player caught in the
zone as well as interrupting any hard casts being finished during the
shockwave. Try and 
Ice Barrier before it goes off to counter the
damage taken, as Ice Barrier holds 22% of your total health.
Explosive will occasionally spawn
Explosive Orbs that need to be targeted and burned down within a
short period of time or they will deal significant damage to the party.
Explosive Orbs are not able to be cleaved, nor do they take damage from AoE,
and the amount of orbs that spawn scales with the amount of enemies in
combat. The damage can be prevented by being out of line of sight to the orb
that explodes, however. It should be noted, that while you cannot cleave onto
the Explosive Orb from another mob, you can cleave off of them using
Splitting Ice.
Necrotic debuffs the target of enemy melee swings with
stacking healing reduction and minor DoT. This is Frost's favoured affix.
Slow everything, and let the tank run away to drop stacks. 85% AoE slow on
Cone of Cold with Frigid Winds is the best in the game,
utilize it.
Skittish reduces the amount of threat generated by tanks
throughout the dungeon. 
Invisibility will drop your threat once
you fully fade out, but is of questionable use given the long duration to
fully fade.
3.4. Seasonal Affix
Infested is the seasonal affix for the launch of Battle for
Azeroth. Enemies afflicted with the Infested debuff will be scattered throughout
each dungeon once you reach key level ten. These mobs will heal enemies around
them and when slain, will spawn two Spawn of G'huun that will attempt
to infest remaining enemies.
There are several ways to handle Infested mobs depending on
pack size, which mob is infested, and group composition. The first way to
handle an Infested enemy is to burn down the infested target and the
subsequently spawning Spawn of G'huun while either crowd controlling
or ignoring the other mobs in the pack. The second way is to crowd control the
Infested mob and burn down all the other enemies. After you kill and infested
mob and the Spawns of G'huun spawn, Frost Mages can slow and freeze the
Spawn, although be careful to not freeze mobs the tank may be kiting away
from it.
Frost in particular is quite adept at handling the Spawns. You have access
to 
Cone of Cold, and any of your roots that will either literally or
figuratively keep them completely still for a few seconds. A pre-cast of
Blizzard just before the mob dies will apply a 50-65% slow before
most people even target them.
4. Mythic+ Azerite Traits
Almost all the Frost Mage traits are linked to single target spells. While some are fine to use in general, there are a couple of outliers:
Whiteout is likely the best spec-specific trait due to
the 
Frozen Orb cooldown reduction.
Packed Ice is quite strong if you are running
Splitting Ice.
Tunnel of Ice and 
Winter's Reach should both
be avoided if possible for Mythic+. Both are single target, attached to hard
casts, and Tunnel of Ice resets on hitting a new target ensuring you'll never
get much benefit from it in this situation.
5. Changelog
- 16 Oct. 2018: Updated with some notes on Splitting Ice vs Comet Storm, and details on Frost vs Spawn of G'huun.
- 06 Aug. 2018: Updated with preliminary BfA tips.
CONTENTS
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