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Big Brain augment icon

GoldGold augment

Big Brain

Gain a (300% Ability Power) Shield. Resets on death or 70 seconds after depletion.
Tier
A
Rank
#75
Rarity
Gold
Offered in
All picks
Patch
26.21

How Big Brain plays

Big Brain is A tier over all champions on patch 26.21: #75 of 226 augments and #23 of the 90 gold cards. That is the average over every champion; on the right one it is worth more, on the wrong one much less.

It gives ability power, so it pays off on champions that already use that. On a champion that doesn't, it is a wasted pick, whatever its tier.

It does best on Veigar, Shaco and Azir. 8 of its 15 best champions are mages.

It gets better later: B tier as a first pick and A tier by the fourth pick, when the game runs long enough for it to pay off.

The card it pairs with best is Stackosaurus Rex: if you already have one of the two, the other jumps up your list.

Big Brain tier by pick

ARAMKit ranks every card for each of the four picks of a game separately. The rank is its place among the cards offered in that pick.
PickTierRank in that pick
First pickTier B#114
Second pickTier B#90
Third pickTier A#58
Fourth pickTier A#42

Best champions for Big Brain

The champions Big Brain does best on, best first, with its tier on each and the champion's own Mayhem tier. Tiers only: no win rates for augments, as Riot's policy asks.
#ChampionRoleBig Brain on itChampion tier
1Veigar iconVeigarMageTier STier B
2Shaco iconShacoAssassinTier STier B
3Azir iconAzirMageTier ATier B
4Kennen iconKennenMageTier ATier D
5Akali iconAkaliAssassinTier ATier D
6LeBlanc iconLeBlancAssassinTier ATier D
7Syndra iconSyndraMageTier ATier A
8Kayle iconKayleMarksmanTier ATier S
9Renata Glasc iconRenata GlascSupportTier ATier B
10Fizz iconFizzAssassinTier ATier A
11Aurora iconAuroraMageTier ATier B
12Zoe iconZoeMageTier ATier C
13Viktor iconViktorMageTier ATier A
14Neeko iconNeekoMageTier ATier C
15Kog'Maw iconKog'MawMarksmanTier ATier B
16Locke iconLockeAssassinTier ATier C
17Taliyah iconTaliyahMageTier ATier B
18Annie iconAnnieMageTier ATier B
19Lissandra iconLissandraMageTier ATier B
20Evelynn iconEvelynnAssassinTier ATier B

Also good on Udyr, Orianna, Fiddlesticks, Nunu & Willump, Elise, Vex, Vel'Koz, Ahri, Mel, Brand, Twisted Fate, Varus, Aurelion Sol, Rumble, Karthus, Blitzcrank, Cassiopeia, Kassadin, Bard, Malphite, Teemo, Amumu, Kai'Sa, Ziggs, Xerath, Lillia, Diana, Singed, Anivia, Miss Fortune, Malzahar, Lux, Zyra, Twitch, Zilean, Gragas, Heimerdinger, Nidalee, Gwen, Hwei, Ryze, Karma, Galio, Vladimir, Sylas, Ekko, Ezreal, Mordekaiser, Seraphine, Shyvana, Maokai, Morgana, Lulu, Nasus, Cho'Gath, Volibear, Katarina, Ashe, Xin Zhao, Thresh, Jax, Alistar, Nami, Yunara, Janna, Swain, Soraka, Tahm Kench, Zac, Nautilus, Sona, Ivern, Milio, Rakan, Senna, Trundle, Sejuani, Yuumi, Zeri, Taric, Rammus, Gangplank, Tryndamere and Shen.

Cards that pair with Big Brain

The cards that do best next to it in the same game, best first.
  1. 1Stackosaurus RexTier S
  2. 2Wooglet's WitchcapTier A
  3. 3Chain ReactionTier D
  4. 4Echo CastTier A
  5. 5RecoilTier B
  6. 6Phenomenal EvilTier A
  7. 7Ok BoomerangTier B
  8. 8ADAPtTier B

Items to buy with Big Brain

The items that do best in games with this card, best first, over all champions. Check your champion's build page for its own items.
  1. Wooglet's Witchcap1. Wooglet's Witchcap
  2. Rapid Firecannon2. Rapid Firecannon
  3. Void Staff3. Void Staff
  4. Lich Bane4. Lich Bane
  5. Rabadon's Deathcap5. Rabadon's Deathcap
  6. Stormsurge6. Stormsurge

Questions and answers

What does Big Brain do in ARAM Mayhem?

Gain a (300% Ability Power) Shield. Resets on death or 70 seconds after depletion.

Is Big Brain good in ARAM Mayhem?

On patch 26.21 Big Brain is A tier over all champions (#75). It is at its best on Veigar, Shaco and Azir.

Which champions is Big Brain best on?

Best first: Veigar, Shaco, Azir, Kennen, Akali, LeBlanc, Syndra and Kayle. The full list with each champion's tier is on this page.

What pairs well with Big Brain?

Stackosaurus Rex, Wooglet's Witchcap and Chain Reaction, best first.

Pick your cards with the tiers next to you

LazyElo is a free Windows app that sits next to the League client. In ARAM Mayhem it shows the strongest champion on your bench, and in game you type the three cards you're offered to see their tier for your champion and what each one does.

Related

Source: ARAMKit, used with permission. Patch 26.21, 23,177,263 ARAM Mayhem games, data of October 28, 2026. Riot keeps Mayhem games out of its public match API, so these aggregates come from ARAMKit. Card tiers are shown without win rates, as Riot's developer policy asks.