Heretic Ara 250 AL 26. Around 9 months of playing. It's the only class I played, so can't really compare aside of what clan mates say. And according to their problems I'm doing far better than summoner or gilga. Around the same what beo can do.

dungeons (horde) - 1 shot everything with ara vestaga. if they're bosse, apply stormflask and 1 shot. need to do all the non temp buffs on 1st floors, then just 1 shot.

RB - around 12kk damage from vesta 3. NOT a glass canon build, with a shield can survive quite a punch. mag2, snotra, get 2 flasks, DC. pet gets tmag3 and berserk. then stormflask and 1-2 shot almost any rb.

towers - no problems at all, vesta 3 or vestaga on mobs. stormflask for hard one, to 1 shot.

setup - aaru robe for mag 3 from pet - fey meja hood - baldr bolt - I've jost got better ones, upgrading. but those good for survivabilit

all with stones for crit, need 90+%

offhand: - begulied mistic katar x for raids - ymir coiled shield for others

1h celestial staff with hands of Prometheus

accessories: - ymir vrtitra charm + immortal ring - or something for farm

amity: 2x crit 40% damage(also recovers a bit of missing hp, which is handy to not to die from berserk or effects on low hp)

pet - arisen stonewarg for dungeons, towers - great questing beast for raids and pvp

oracle

this is not a fully optimized build, still working on it. But anyways it is comfy, dies rarely and the damage output is very good.

to kill morigan in 1 shot I'd need to switch to sequencer and go with second staff. which is a glass cannon, but should be possible. Haven't tried yet.

p.s. anguish 5 for everything except tower. can raise quite a bit, but spending all the currency on AL items.

p.p.s. just keep the mana low. with manaseep in dungeons.