I don’t know when you did CT, but it’s much better these days. If there’s any salt in there, it’s usually Phlegethon and people trying to race his second Astral Flare attack and failing, lol.
But other than that, it’s pretty chill these days.
EDIT: The other raids, the Lv60 raids are not that bad at all, I think there’s like 1-2 tricky bosses and even then, if a wipe happens, it’s usually just one and people will clear it after.
The Lv70 raids, the Ivalice Raids, are a slice harder, but even then, you might wipe once, maybe twice at most, but I’ve yet to have a duty completely fail.
The Lv80 raids, most people by the time they get up there, can handle it. Wipes are rather uncommon, at least in the first 2. I’ve not done the 3rd one yet.
Usually, if you ask politely, most tanks will slow down. Or you could use another job to gear said healer up first. Use PotD or Beast Tribes to get your healer to the next x0 level (50, 60, 70) and then buy Tomestone gear and you’ll be set. Might still wanna ask them to slow down because you’re still learning. MOST tanks will do as you ask. I’ve never seen anybody kicked because they asked the tank to slow down.
Why do you hate the Vault? Is it because of the last boss? Tell you what, if you’re on… um… Aether Datacenter, we could set something up where I could tank a few dungeons for you and you could get your healer up.
Heck if you’re on Cactuar, I have all crafters on 80 and I’m guaranteed to HQ anything that’s not Level 80 Star crafting.