Zeratul sacrificed himself, not for Artanis, but to provide an excuse to make the nerazim units ridiculously overpowered. Alarak's ascendants just stole that ability in coop.

Now we can make a run only using "bad" unit for all campaign, nice

The high templar does restore shield once you've done their unlocking mission

It's their announced upgrade

"You can make mass sentries and you can probably win with it."
Well I think we found your next challenge run.

Sentinel is the best Zealot variant not only in gameplay but in lore. Far fewer valuable Protoss are dying or emergency teleporting to the sickbay when you've got far more practical basic AI constructs doing the charging and tanking.

8:10 The Dragoon in Legacy of the Void has 7 range, that's actually one of the perks the armory screen mentions when you select the Dragoon. In Co-Op, Artanis's Dragoon has 6 range, until you get the upgrade that gives it 8 range. This actually makes them quite viable in Sky Shield and other Terran missions because the 7 range outranges a marine's 6 in a bunker. The larger hitbox is still a problem of course.

Grant: I'm not gonna put anything into D-tier, they're all basically alright
Also Grant: puts the Reaver into D-tier
Jayborino: Yes, good, good...

For your awareness, the Avenger DT has a 60s cd, half of the sentinel (which has 120s)

While the other DTs are well... still superior, I find having 50supply of DT as a free attackwave with a 1 minute respawn time quite humorous

I'm still annoyed that not ONCE did we get to use the scout in LOTV. It's literally in every. single. campaign. Why can't I use it?

I like how not a single Aiur unit is above B tier
It kinda reflects the lore, they're decent, but they're so stuck in their ways where every other kind of protoss improves on them

So far the C tier is "it doesn't have a hitbox" and "it has too much of a hitbox".
That probably says something about grants hitbox size preferences.

About Dark Archons, Dark Archons are REALLY GOOD, but they CANNOT STEAL "void entities"😭

Ascendants may be "C tier" in terms of combat effectiveness, but I personally sill love these guys for how fun they are to play with. "Press F to instantly delete an enemy unit" is SO satisfying to use, when you have a few dozens of them

They should have given us the Scout instead of the Mirage.

Spin lot has same dps as normal Zealot, but it's in 1 attack instead of 2. Making it good against zerglings and better then normal against high armor targets.

Reaver scarabs arent stopped by gaps, grant.
They have no pathfinding, they are regular missiles in vanilla lotv and coop

If anyone is curious who the strongest Protss Faction is here's the breakdown.

Khalai: 10 Units
S-0
A-0
B-7
C-2
D-1

Nerazim: 7 Units
S-3
A-2
B-2
C-0
D-0

Tal'darim: 7 Units
S-0
A-3
B-1
C-3
D-0

Purifiers: 6 Units
S-0
A-4
B-2
C-1
D-0

Really should have to be said the Nerazim are the top tier as there are only 3 S tiers and all are Nerazim. Add the fact they have nothing below B and that 5 of their units are the best for their category and they are the clear winners by a lot.

With 4 As and the only two Bs  the Purifiers are a respectable but still distant second. Tal'darim are just a step behind them with a few more middling Units. Their stuff was ok but almost always outclassed by something else.

Dead last and not even close is the Khalai with a lot of middling Bs, no A or S ranks and the only D. Really surprising they would be this bad overall, I know they are typically the vanilla choice of each option but this is still pretty bad.

Avengers, from what I read, actually only has a 60 second cooldown on their recall instead of the 120 that you mentioned. I think the reason why you thought it was 120 seconds is because the Sentinel's revive is 120 seconds, and you mixed the two unit's cooldown up and thought the Avenger also has a 120 second cooldown on their ability as well.
That goes to show how underused the Avenger is, that you don't even remember the cooldown of their one, singular ability is lol.

I love how Ascendants are at the bottom here, but are kicking butt in the Perpetual Randomizer campaign. That heal aura was perfect.

So the thing about Wraith Walkers, at least based on my using it in co-op, is it works great as a "Hybrid Buster" unit, doesnt matter what hybrid unit it is, if the hybrid shows up, you bring your wraith walkers in and delete them.  The idea you need to have when using them is basically a walking Yamato Cannon Launcher.