Mogra Cookie Toppings Build — The 30% Cooldown Line

Mogra Cookie's skill box sets a build target right at the ceiling of five Swift Chocolate Toppings. Storyteller's Wisdom pays her three extra Story Records on every basic-attack heal, but only once her Cooldown reduced by Toppings reaches 30%. Five Swift Chocolate M Toppings at +12 give 15%. The five-piece set bonus adds 5%. Bonus effects can add at most one Cooldown line per Topping, and Devsisters' odds table puts an Epic Topping's best Cooldown roll in a "1.90% – less than 2.00%" bracket. So 30% is that build's ceiling, and even five top-of-range Cooldown lines finish a hair under it.

So the real build question for Mogra isn't which Topping. It's the Topping Tart, and how many Cooldown lines you're likely to collect. This guide does that arithmetic with Devsisters' own published roll odds, then builds the rest of her kit around it.

Her skill numbers come from cookierun.wiki's skill box, the only source we found that prints them. The Fandom wiki's box for her is still blank, and Devsisters' September 23 notice describes the kit without numbers. Topping and Tart odds come from Devsisters' support pages.

Who Mogra Cookie is

She arrived alongside Rajapendra Cookie of Mortality in the update our v7.9 update guide covers. That guide describes her kit in words, the way Devsisters' notice does. cookierun.wiki's skill box carries the numbers, which is what makes a build possible. As of this writing, cookierun.wiki's Gacha page lists her as the Featured Cookie banner, with its countdown ending October 21 at 6:00 GMT+9.

What Storytelling does, in numbers

Devsisters' notice gives the shape of the skill. She heals with basic attacks and periodically gains Story Records. Her skill opens a scroll that heals all allies over time, shields them and grants DMG Resist, with a bigger DMG Resist buff for Burning Spice Cookie. Then it spends every Story Record to Stun enemies and spread the Story to allies. The numbers, from cookierun.wiki:

Two things fall out of that table.

Her ATK feeds one line. Of those nine lines, the scroll heal is the only one that reads her ATK. The shield reads the target's Max HP, and the buffs, Stun and Storytelling values are flat. The heal is also the only line that changes between Base and Max, so skill levels grow the scroll heal and nothing else on the box.

The rest is paid per cast. Shields, both DMG Resist buffs, the Stun and the Storytelling buff all arrive when she casts. Cooldown is how you get more of all of them, which is why it heads this build's priorities.

Story Records and Storyteller's Wisdom

Storytelling's payoff scales with how many Story Records she spends:

Here is the catch. The timer pays 2 stacks every 5 seconds, and a 13-second cooldown spans only two or three of those ticks, so on her base cooldown the timer alone banks somewhere around 4 to 6 stacks between casts (the skill box doesn't say whether cast time adds to the gap). Every point of Cooldown you add shortens that window further. Basic-attack heals have to fill the rest, and Storyteller's Wisdom turns each one from 1 stack into 4:

The skill box doesn't say how often she basic-attacks, so we can't turn that into seconds. But the gap is clear: below the threshold she needs up to ten basic-attack heals between casts to hit max stacks, and above it she needs one to three. Devsisters' notice also says her basic-attack healing "is unaffected by ATK SPD changes." Read literally, ATK SPD isn't a route to more stacks. Cooldown from Toppings is.

The in-game text calls the threshold "Cooldown Speed increased by Toppings". cookierun.wiki flags that wording as wrong and reads it as Cooldown reduction, which is how the rest of this guide treats it.

Can Toppings reach 30% Cooldown?

Swift Chocolate is the Cooldown Topping. cookierun.wiki's Toppings page gives the M rarity 1.8% at +0, plus 0.1% per upgrade, so 3.0% at +12. Its set bonus is 2% at two pieces, 4% at three, 5% at five and 6% at six, the sixth piece being a matching Topping Tart.

Devsisters' bonus-effect page sets the rest. An Epic Topping gets a bonus effect at +6, +9 and +12, and each one is a different stat, so a Topping carries at most one Cooldown line. On a regular Epic Topping that line rolls 1.0% to 2.0%; on a Resonant Topping, 1.5% to 2.0%. Both ranges end in a "1.90% – less than 2.00%" bracket in Devsisters' table, so by that table a Cooldown line stays just under 2.0%.

What decides whether 30% is reachable is what the game counts as "reduced by Toppings". Neither the skill box nor any Devsisters notice we found says whether the set bonus or a Tart counts. Here is each reading:

Read down the right-hand column. Without a Tart, even five Toppings that each rolled Cooldown at the top of its range land just under 30%. With a matching M Tart, it takes 4 to 6 points of bonus lines, which usually means three or four Cooldown lines. If only main stats and bonus lines count, no five-Topping build reaches 30% at all, so nothing you equip changes the answer. If the set bonus and the Tart both count, the Tart is what makes the threshold reachable at all.

The Tart's roll is fixed when it's made. Devsisters' Topping Tarts rate page gives an Epic Swift Chocolate Tart 3.0% to 5.0% Cooldown, in 21 equally likely steps. It gives each of the ten Tart types a 10% chance per craft, so a Swift Chocolate one shows up one craft in ten. cookierun.wiki's Trials of the Nether Realm reward table also lists a Legendary Swift Chocolate Tart as Hard Mode's Zone 8 clear reward. Per the wiki, a Legendary Tart has the same main-stat values as an Epic one plus a bonus effect. Our Topping Tarts guide and Trials of the Nether Realm guide cover the crafting and the route.

The odds a Swift Chocolate set gets there

Devsisters publishes how likely each bonus effect is. On a regular Epic Topping, all ten effects are 10% each. On a Resonant Topping the pool shrinks to six, at 16.66% each, and Cooldown is one of the six. The three bonus effects on a Topping are always different and equally weighted. So a +12 Swift Chocolate carries a Cooldown line 3 times in 10 if it's a regular Epic, and half the time if it's Resonant. Within its range, every value is equally likely.

From there it's arithmetic. Assuming both the set bonus and the Tart count, this is the chance that a fresh set of five +12 Swift Chocolates, taken as they come, clears 30% next to a given Tart:

A regular set hits the threshold about one time in sixteen. A Resonant set does it more than one time in three, and half the time with a top Tart. The Resonant gap comes from both halves of Devsisters' tables: more Cooldown lines (2.5 per set on average against 1.5) and a higher floor on each one (1.5% against 1.0%).

How many Cooldown lines you need

You don't have to keep the first five Toppings you level. Bonus effects arrive as you upgrade, so the practical route is to keep taking fresh Swift Chocolates to +12 and keep the ones that rolled Cooldown. So the more useful question is how many Cooldown lines guarantee 30%, whatever values they roll:

Then the cost of collecting them. At a 50% hit rate, four Resonant Cooldown lines take about 8 Resonant Swift Chocolates taken to +12, on average. At 30%, five regular lines take about 17 regular ones. cookierun.wiki's upgrade table lists 87 Topping Pieces and 61,600 Coins for the twelve steps from +0 to +12, at success rates that fall to 25% for the last step. That's why the Resonant versions matter more on Mogra than their higher floor alone suggests.

The Mogra Cookie build

Two notes on the bonus-effect order. Nothing she wants is missing from the Resonant pool, which holds ATK, ATK SPD, CRIT%, Cooldown, DMG Resist and CRIT Resist. And Fandom's recommended stats include CRIT%, but none of the nine lines on her cookierun.wiki skill box reads her own CRIT%. Storytelling grants allies CRIT%; it doesn't use hers. Take a CRIT% line if that's what rolled, but don't chase it on her.

If your Tart is Legendary, its bonus effect is extra on top of the build. Increased Healing Given & Received, which starts at 3%, is the one of the eleven Legendary Tart effects that names healing. cookierun.wiki's upgrade tables for the effects are only partly filled in, so we can't tell you what it's worth at +12. Our Topping Tarts guide covers changing and upgrading the effect.

The Sweet Beascuit slot

Beascuits are locked by Cookie type, so Mogra takes the Sweet Beascuit. Per cookierun.wiki, a Legendary Beascuit at Lv.30 gives ATK +30% and HP +35%, with four bonus-effect slots, and each bonus effect has a 9.091% chance to appear. The Legendary ranges that matter for her:

Cooldown still earns its place here even though it misses the Wisdom check. Cooldown from Toppings, Beascuits and Treasures all shortens her skill, up to the game's 60% Cooldown Reduction cap listed on cookierun.wiki's Cooldown page. Our stat caps guide works through that cap.

Check the attunement before you invest. Every slot past the first is attuned to a random Cookie type, and an effect in a slot attuned to another type doesn't apply. Our Beascuit Dough guide covers what resets and attunement cost.

Who she shares a team with

Keep her as the team's only Healing Cookie. This one isn't about Mogra's kit. It's about two others that check for her:

• Sugar Swan Cookie revives allies only if there are no other Healing Cookies on the team, per her cookierun.wiki skill box. Mogra on the team switches those revives off. Our Sugar Swan build covers the rule.
• Nether Queen Cookie gets DMG Dampening +25% and CRIT DMG Resist +35% only when there is exactly one Healing Cookie on the team. A second Healer, Mogra included, turns that bonus off. See our Nether Queen build.

Burning Spice Cookie gets the bigger buff. Her skill box gives him a separate +30% DMG Resist line, against +20% for all allies, and the two share the Cycle-Burning Resonant set. Our Burning Spice build was written before v7.9 added either.

The update's own content writes her in. Devsisters' September 23 and October 7 notices put her into both of the update's headline modes:

The Raid is time-limited. The Timeline of Fate hooks are part of the story stages. For how she compares to the game's other healers, our healers ranking is a v7.4 snapshot that lists her as released since and not yet ranked.

What the sources do not settle

1. Whether the set bonus and a Tart count toward Storyteller's Wisdom. The skill box says "by Toppings" and stops there. Our Topping Tarts guide flags the same open question for three other Cookies' Topping passives. Under the strictest reading nothing reaches 30%, so the Tart build loses nothing by betting it does.
2. Her basic-attack heal. The skill box gives no number for it, or for how often she basic-attacks. That's why the stack table above counts heals, not seconds.
3. Whether her two DMG Resist buffs stack. The scroll's +20% and Storytelling's +20% plus 1.5% per stack are listed as separate lines. The box doesn't say whether they add together.
4. Her Stun against players. cookierun.wiki's skill notes add that she "will not Stun player-owned Cookies" without saying whether that covers Arena opponents.
5. Mirror Toppings. Since September 23, a Mirror Topping can copy a +12 Epic Topping's bonus effects, a Cooldown line included. The notice doesn't say what main stat or Topping type a Mirror has, so check before you count one as a Swift Chocolate piece.

Quick Action Checklist

1. Build five Swift Chocolate M Toppings and take them to +12: 3.0% Cooldown each, plus 5% from the set.
2. Add a Swift Chocolate M Topping Tart. If the game counts it, it's the piece that makes 30% reachable at all, and one Mine Workshop Tart in ten is a Swift Chocolate.
3. Prefer Cycle-Burning or Pride-Filled Swift Chocolates. Half of them carry a Cooldown line at +12, against 3 in 10 regular Epics, and the line can't roll under 1.5%.
4. Keep every +12 Swift Chocolate that rolled Cooldown. If the set bonus and Tart count, three Resonant Cooldown lines guarantee 30% next to a Tart of 4.5% or better, and four guarantee it with any Tart.
5. Rank bonus effects Cooldown, then ATK, then DMG Resist. On her skill box, ATK only grows the scroll heal, and nothing reads her own CRIT%.
6. Equip a Sweet Beascuit. Take Cooldown there too, but don't count it toward the 30% check.
7. Run her as your only Healing Cookie. She switches off Sugar Swan's revives and Nether Queen's one-Healer bonus.
8. Pair her with Burning Spice when you can. Her skill box gives him a +30% DMG Resist buff, against +20% for all allies.