Ok this ended up being a VERY long infodump post... i'm so sorry...
Before I go over the individual abilities, my rough usage is:
During bosses, on cooldown of Recitation + Deployment Tactics, I use Recitation -> Adloq on Main Tank -> Deployment Tactics on Main Tank. Make sure as much of the party is in range as possible.
During trash packs, on cooldown of Recitation, you should probably use Recitation -> Excog on Main Tank.
During most fights, when the Faerie gauge hits 100, use Aetherpact on the Main Tank. This will focus your Fairy on one party member for a bit so... it's pros and cons.
During bosses, use Chain Strategem on cooldown. Massive damage boost for the whole party!
During trash packs when the party stops moving, and during bosses, I prefer to keep Sacred Soil up on cooldown. Really good passive shielding and at higher levels passive healing. There are likely more optimal ways to use it, such as sticking it after Whispering Dawn in my priority order, but.. I just like having it up.
When the party needs heals, I use heals in the following priority order:
- Fey Blessing
- Whispering Dawn
- Indomitability (until out of Aetherflow)
- Succor
- If Succor isn't fast enough, Dissipation to eat your Fairy and get more Aetherflow so you can go back to Indom
When one person needs heals, this is my priority order:
- If they don't have a shield, use Adloq, then use Adloq whenever their shield breaks
- Lustrate (until out of Aetherflow)
- Physick
- If Physick isn't fast enough, Fey Blessing if available
- If that's not enough, Whispering Dawn if available
- If that's not enough, Dissipation to eat your Fairy and get more Aetherflow to go back up to Lustrate
A smarter player than me might stick an Emergency Tactics + Adloq combo somewhere in there, maybe between 3 and 4.
When your ability Aetherflow is about to come off cooldown, use any remaining Aetherflow stacks on Energy Drain (even better if Chain Strategem is up) then use Aetherflow.
Now for the individual abilities and my thoughts on them! So in no particular order:
- Fey Illumination: I'm bad at using it, but you should use it before any BIG heals. Small maintenance heals aren't really worth using Fey Illumination for, but those are usually done by the Fairy anyways.
- Chain Strategem: Not healing, but a massive 20% bonus damage for the whole party for a bit!
- Physick: A lot of people say it's worthless. It's not. It is good supplementary healing with higher potency raw healing than succor. If you just need a little extra to top off a party member and they already have a shield up, Physick CAN be useful!
- Adloquium: It's a FANTASTIC ability, with the shield being the backbone of playing SCH. Crit heals doubling the size of the shield before accounting for the increased heal from it being a critical is also incredible. But... it's also very expensive with that 1000 MP. That can become a problem in some circumstances.
- Succor: Adloquium but the whole party! The shield is smaller but it shields everyone! Better as soon as two people need a shield. Physick gives better raw healing until three people need heals. I... actually barely use Succor tbh except in emergencies! And that's because....
- Recitation: Oh I love Recitation. Every 90s, gives a free guaranteed critical cast of Adloq, Succor, Indom, or Excog. I'll go over how I use Indom and Excog in a bit. For Recitation, Because of that guaranteed crit heal, I primarily use it for Adloq specifically. Because Adloq gets the doubled shield size before the critical hit bonus on a crit heal, Recitation -> Adloq gives between raw heals and shields a GUARANTEED 1380 potency heal before accounting for the crit hit bonus. Speaking of, you should dump a TON of crit hit materia on your SCH. It benefits so much from crit hit because of the double shield on crit heal.
- Deployment Tactics: The other reason I use Recitation on Adloq and the reason I don't use Succor except in emergencies. At Endwalker levels, this has the same cooldown as Recitation. It takes any Galvanize (non-crit) shield on whoever you are targeting and spreads it to EVERYONE in the party. A Recitation -> Adloq on main Tank -> Deployment Tactics combo gives 300 pot healing on main tank, 1080 pot shield on main tank, and 540 pot shield on everyone else in the party. That's a very good setup!!! That will keep the ENTIRE party going for a bit!!!
- Emergency Tactics: Gonna be honest I basically never find use for this. I know it's useful, but it's... well, an emergency ability. If people need raw heals, I have other options that are basically always enough.
- Whispering Dawn: Very good after a raidwide to help top the party up. I usually use it if another of my abilities doesn't give enough healing.
- Excogitation: It uses 1 of your aetherflow gauge but gives a "shield" to whoever you use it on. How the "shield" works is if they drop below 50% HP or if the ability's timer wears off, it automatically gives them an 800 potency raw heal. Pretty nice on main tanks, esp in trash packs. Some people swear by a Recitation -> Excog combo as opposed to my Recitation -> Adloq -> Deployment Tactics combo. Both have merit. I think Recitation -> Excog may be better in trash packs with big pulls while Recitation -> Adloq -> Deployment Tactics is better in bosses, esp if they have a lot of raidwides.
- Fey Blessing: THIS is my primary healing ability. Beyond using the Recitation -> Adloq -> Deployment combo on the 90s cooldown to keep that massive shield up for everyone, I use Fey Blessing to do any actual party healing that's needed. It's an instant cast, 60s cooldown, 320 potency raw heal to everyone nearby. No MP usage, no aetherflow usage, just immediate raw party heals. If I use this and people still aren't sufficiently close to full for my tastes, that's when I use Whispering Dawn.
- Lustrate: Emergency single-target healing only. Preferred over Physick, but it uses 1 aetherflow. 600 pot raw healing is very nice though!
- Indomitability: Same as Lustrate but for the whole party. 1 aetherflow, 400 pot raw healing to everyone nearby. I only use it for emergencies if both Fey Blessing and Whispering Dawn aren't enough to get people up where I want them fast enough (esp cause Whispering Dawn is a heal over time).
- Aetherpact: The sole usage of that Fairy gauge iirc, a tether heal on a party member. She'll stop healing all party members in favor of whoever you tether her to. Pretty good when you're sure the only one who'll be taking the bulk of damage is the Main Tank.
- Sacred Soil: Not just a ground shield, at higher levels it heals too! I prefer to have this up on cooldown, placed centered on the boss/trash pack if possible so the tank is on one end and the rest of the party is at the other end, behind the enemies.
- Summon Seraph: I don't use her ;; Apparently using Seraph switches her from healing focused to shield focused, so that can be useful? But? I... don't use her ;;;
- Protraction: Good to use on cooldown on the Main Tank, I'm bad at that.