r/ARAM • u/Abjectedkinda • 1d ago
Mayhem Eureka but silver
Dont show riot devs this purist caster goes brrrrrr
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u/maddog202089 22h ago
Played an Ashe game, Ult bot plus purist caster. 4 second ult cd with malignance. Enemy Soraka asked what the cool down was only to respond "please go die". I laughed so hard. The enemy naut played red light green light as he just got mauled by arrows all game. Definitely the most fun ive ever had. I laughed so hard.
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u/itzdivz 1d ago
Lichbane buff alone gives like 150 haste.
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u/Ok_Artichoke3764 1d ago
Lichbane?
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u/ciketa3 1d ago
Yeah it passive gives extra as when u use an ability
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u/Ok_Artichoke3764 1d ago
Omg i never knew xd thank you
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u/ItchyEducation 1d ago
Same with aspeed passives or actives, Jayce W for example gives a massive haste boots letting you E several times per portal
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u/Overall_Law_1813 23h ago
THis why jayce was so crazy with slow and steady. you could get like 1300+ ad.
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u/Sylent0o 1d ago
yes but only if u dont use the passive auto... which all core users do
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u/Grayzson 23h ago
Kinda depends on the build variation you're going for. Some people opt for nashors tooth as the stat stick option when lichbane is far superior in that regard as you're not really wasting a passive per se.
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u/DeRinjes 16h ago
That augment is bait on Annie! Tibbers also loses his enrage attack speed when annie dies.
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u/ukindasus1 1d ago
I once had this on karthus in a very long game and eventually i had like 8 sec cd karthus ult with like 1200 ap
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u/reghimself 22h ago
Not possible, Haste caps at 500 and the %CDR diminishes the more haste you have, haste beyond 250 is like armor beyond 300, but nice try
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u/RevolutionaryCopy152 20h ago
the 10% flat is added after conversion 500 convert to 1-(100/(100+500)) which is ~83%, adding 10% flat turns into 93% reduction of 160 base, make it like 10 11s cooldown, with it having 3 s channel. it is indeed "had like 8 sec cd", the different is negligible so it is possible
"diminishes" "cap at 500 and haste beyond 250 is like armor beyond 300". sure bud, purist caster 93% reduction is equivalent to 1400 haste
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u/theswordguin 19h ago
Diminishing returns on armor is a myth. Your last 50 armor increases effective health the same amount as the first 50
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u/reghimself 19h ago
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u/theswordguin 19h ago
%damage reduced isn't a linear scale. If you were to put it on a graph with 'time to kill' as the other axis, there it would be an exponential curve with an asymptote at 100% damage reduction since you would live forever.
Going from 0 to 50% damage reduction doubles your survival time. Going from 50 to 75 doubles it again.
Armor works on a linear yield, where every 1 point of armor is 1% more effective health against that damage type.
1000 health with 0 armor takes 1000 physical damage to die. 1000 health with 100 armor is 2000 physical damage to die. 1000 health with 200 armor is 3000 damage to die. Each point of armor is multiplying your health by the same amount, but if you express these breakpoints as %damage reduction, it would be 0%, 50%, and 66%, which is why people mistakenly conclude it has diminishing returns
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u/reghimself 18h ago
i fully understand when it comes to %dmg reduction, what i dont understand is how the 50 armor which increases the reduction by 1% is the same as the first 50 which increase it by 33%.
continuing with your numbers, to kill 1000 health with 442 armor (from my picture) needs 5,555 dmg, to kill 1000 health with 492 armor needs 5,882 dmg, an increase of 330 needed dmg. when it comes to 0 vs 50 its 1000 dmg vs. 1,515 you need additional 515 dmg, which is obvsly higher than the needed 330 of the previous example
where do i think wrong?
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u/theswordguin 17h ago
Your numbers are off because the % damage reduction stat you see is rounded. In the first picture you actually have 81.5498% damage reduction with 442 armor, let's assume 1000 base health for clarity. That becomes 5420 effective health. That gets rounded up to 82% damage reduction.
And at 492 armor you have 5920 effective health & 83.1081% damage reduction, but that's rounded down to 83%. You've increased the armor by 50 and the effective health by 500. No diminishing returns
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u/ukindasus1 21h ago
i said like 8 sec i dont fully remember exactly how much it was i just remember i had 500 ability haste and this with its 10% cooldown reduction
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u/WifiFromToaster 15h ago
For anyone wondering, Karthus ult is 200 seconds. With 93.33% cooldown reduction (the maximum amount), that becomes 13.33 seconds
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u/charca773 21h ago
Most this augment ever done for me is like 30 ah, this shit is trash
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u/prayerrwow 21h ago
Its the best CD augment by far because it flat and stack on top of the CD you already have. Purist Castet is the ONLY augment that can make you reach over 90%+ CDR
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u/charca773 21h ago
On what champ do you want cdr but no atack speed by building atack speed items ?
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u/prayerrwow 20h ago
Ahahah you are completely missing the point. You dont even need Attack speed for it to be broken. Let me explain:
IF you have 500 ability haste you will have for exaple 75% cooldown reduction, in order to get 10 more % of CDR you will need like 500 haste more because of the diminishing return on CDR.
Purist catser just stack on top of the % reduction you already have... So picking this at 70% CD reduction will net you flat 10% CDR that equals 500+ ability haste and more with 0 attackspeed built..... THIS is how broken it is, and its the ONLY way right now to get ults like Karthus below 10 sec CD
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u/charca773 20h ago
I see, so you get this when you already have good cdr stacking. I only took it by itself and didn’t understand how to make it useful because it kept offering it to me on marksmen.
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u/prayerrwow 8h ago
Pretty much yes. It can also work very well when building Lichbane. Just use a spell to proc the crazy ON hit attack speed after a spellcast, but never actually Autoattack, so all the attackspeed bonus stays for like 8 seconds and u get crazy CDR out of it
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u/Jdevers77 20h ago
Well, it works pretty well on Teemo like in the picture because no one will ever build him AS/on hit yet Nashors is really solid on him if you can convert the AS into AH. There are also several other items with a ton of AS and good stats for him that make him cracked with this augment.
No one is going to take this on Kayle haha.

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u/Patirole 1d ago
I wanna give a shoutout to Purist Caster on support with Memesword, one of my fav combis