During CBT I got Krivis C2 > Paladin. Zaibas with the attribute easily cleared whole rooms in the *Main Chamber, granted I was running a STR/INT build. [This is assuming I mob like crazy and cast zaibas twice one after the other.]
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You might not know how AoE attribute work. It simply spreads 14 hits between the mobs hit. So w/o attirbute it will hit 14 times, one mob per hit. With attribute it will hit less times, but in total mobs will recieve 14 hits. So total damage is the same.
You can kill bosses with Zaibas faster than someone can say âHighlander is opâ. Thatâs why. No, it never becomes obsolete, itâs like the only skill with decent scaling.
Thereâs other classes that add more similar skills later, that you just put down and they do damage and with combination of Zaibas, you can keep one shotting bosses forever. 
Well, by âone shottingâ, I mean killing them with a single rotation of your damaging abilities. ;p
I wonder if you have some vids? 19 hits dealing 2.5k damage each doesnât seem too strong for me.
As I know monsters at levels 250+ have over 100k HP and bosses most likely have even more.
So you wonât kill even 1 usual mob with the full duration of Zaibas(95k damage) And I think bosses wonât care about it too much as well.
So if you are going to play support and build SPR, investing points in Zaibas is really a bad idea, since damage will be much lower.
Zaibas + Carnivory
However, if youâre for whatever reason going with a lot of spirit, then yeah, you wonât be doing this much damage, but you will still be doing A LOT.
Donât forget this is an ice type monster (and it only has 85k HP), so Zaibas deals double damage on it. And even then most damage were dealt by Carnivory.
Also this Krivis is full INT, I know his videos. And finally, itâs only level 190, real problems will start at level 240+. Bosses will have around 500k HP, so this damage wonât be high enough. Full combo will deal only around 20% of their HP.
Also itâs totally unviable at Earth Tower, since you need to kill groups of monsters and both Carnivory and Zaibas are technically single target. And Zaibas will deal only half damage to Earth type monsters.
Thatâs why it falls off in late game, and only useful VS bosses.
If it really worked like AoE skill with attribute, then itâd definitely become on of the best damaging skills at this level, but attribute wonât increase damage at all.
Duh, whatâs the point of playing the game, if one skill can one shot anything at any stage of the game? Lol. It wouldnât even be worth playing.
Are you telling me that 20% hp is little at later levels?
I said full rotation will most likely be enough to one shot any quest bosses. Zaibas canât even one shot at like level 80, but it can certainly do crazy damage, much more than most of other skills in the game.
Iâve only played to level 140 or so, then I started rerolling characters and leveling them to 80+, to test out different things and see what will best fit me for OBT.
Seriously, though, going full spirit is absolutely an overkill in my opinion. On my priest, I went for like 2x spirit bonuses in stats and thatâs all, never had any problems healing or anything really.
Iâll be going for Paladin in OBT, with almost no spirit at all.
I do know how it works I got to 200 on ICTB2 on cleric
The attribute helps a lot in grinding, while the numbers of hits does not increase MOST thing at your level will die with 4 or less hits and later(150+) you have more skills for a proper rotation
EDIT: on this video you can see that at least 20% of the damage was zaibas 55% OoB carnivory 20% and 5% rest
I never told itâs a bad skill, I only told that it falls off late game. So if you want to reach level 280 ASAP itâs the best skill in Krivis tree you can get, but otherwise Daino and Aukuras are better options)
Itâs just my opinion that Krivis will benefit more in late game if goes support route. Reason is Zalciai great spirit scaling, so it will significantly empower your party members that deal physical damage.
And Aukuras is always relevant, since it quadruples your health regen speed. And in combination with Paladinâs health regen itâs even better.
Daino/Divine Stigma and Melstis all have pretty vast late game uses as well and great party buff potential.
Oh ok.
Also who are we kidding Devine Stigma was so much of a pain to use that most people just ignored that (unless they changed it)
You need a party that understands how it works, if you want to use it. I had a premade, explained it to him, we were procing it all the time.
Youâre most likely right about other skills being better for a support character. All Iâm saying is that zaibas is not obsolete and itâs a major damaging skill even later, but youâd probably want to go full int if you really want to benefit from it.
As a character focusing on supporting though, yeah, you should most likely ditch it altogether, as your role wouldnât be to deal damage.
However, Iâd never make a full support character in ToS, unless something changes that makes it a necessity. Thatâs just me, though.
It does not fall off late game if you have high INT. At lv10+ Itâs a high multi hit skill which benefits from INT and +elemental damage a lot. Plus you get 2 casts on overheat. Itâs one of the best scaling skills the Cleric tree has.
Itâs the same reason why Cure is still relevant late game because of the vast amount of hits it possesses. Cure10 has 28 hits - with each hit having your INT and +ele damage added in.
I agree that Int cleric is pretty good in single target damage, yet I still think it canât compete with damage focused classes. So instead of trying to deal damage Iâd rather multilply my party damage to benefit the most.
Though I have to admit that Iâm focusing more on a premade party play, so my skill choices will be completely different then solo cleric choices.
And I really donât like to rely on single target pointed damage too much, thatâs another reason.
I had plans of going C3 Krivis into C2 Druid for my second Cleric since Zaibas is really strong (when maxed and attributed) and stacking that with Carnivory just deals tons of damage.
This is what Iâm making for my offensive Cleric. 
Donât forget that itâs ice element boss, so Zaibas deals double damage)
Itâs a very good mid game option but slightly falls off late game in terms of damage, you can read our discussion about that higher in this topic)
I think if IMC slightly buff Krivis, it will become a great build, but now it lacks AoE damage.
Oh yeah! I forgot elemental advantages and disadvantages are a thing. 
Iâll read over it in a bit since there are quite a few posts with thick paragraphs.
AoE damage, did they get rid of Zaibasâ splash attribute and Canivoryâs splash damage?
Zaibas with attribut simply use several stacks per âtickâ. So if they dealt damage according number of times, they stop)
Oh, hmm⌠what about this:
If there is a cap to it then I can see how Zaibas can fall off later in the game, but if there isnât then shouldnât investing into it at higher levels make it more suitable for high level grinding to where the AoE ticks wonât be something to worry about before the cooldown ends?
(since we can place down two Zaibas)
Thatâs also if 1% increase in damage is enough to make an impact, but then again, Zaibasâ damage comes from INT (?) and your gear too.
As for Carnivory, idk, I think it is INT too.
Carnivory* seems to be strangely classified as âMeleeâ as an element, but âMagicâ as type on ToSBase. 
Then you have sustain when your skills are on cooldown: Safety Wall (I know Lv5 Safety Wall definitely is not enough unless you go with C2 Cleric for that juicy Lv10 Safety Wall) and Sterea Trofh (amped version of Safety Wall).
Oops, I meant Safety Zone, Iâm thinking of RO too much atm.
Oh, and this, I know Clerics donât tend to go for Fade because they believe it sucks (and HOPEFULLY it does not drop boss aggro and cause it to reset, if it does then never mind this skill unless you plan to be in groups) but it can also be used defensively to avoid attacks while Zaibas and Canivory are on cooldown so you can keep up the relentless attacks.
(If you want Divine Might then you can take five points away from Heal or enough points away from Fade and stick them into that skill since youâre opting to be killing machine anyway.)
All % attributes are capped at 100%. Any dmg skill has them.
Then I guess Zaibasâ damage will rely on your gear, your INT, and the elemental table. 
I donât think it will fall off though, it just depends on your stats (to burst them without worrying about cooldown too much) and how well you manage yourself while they are on cooldown.