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An Old Spider Spins Webs of Memory (Chaldea Boys Collection 2021)

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Event First Look
First Clear Drops
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Event Shops
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Notable Drops

Event Period

3/8/2021 00:00 - 3/15/2021 20:59 PST

Unlock Requirements

General Information

  • With is primarily a farming event, with login campaigns and an Event Shop!
  • Three event shop currencies will be available to farm (Hermit Cocktail ShakerTricky ClothSpiderweb Coaster).
  • Masters can also exchange a free limited Craft Essence from a selection of 9!
  • Event Bonus CEs will grant bonus currency drops during the event!
  • Event Bonus (Male) Servants will grant bonus damage during the event!
  • Main Quests are time gated, unlocking following the below schedule:
Date Quests Available
3/8/2021 00:00 - 3/15/2021 20:59 PST Section 1
3/8/2021 20:00 - 3/15/2021 20:59 PST Section 2
3/9/2021 20:00 - 3/15/2021 20:59 PST Section 3
3/10/2021 20:00 - 3/15/2021 20:59 PST Section 4
3/11/2021 20:00 - 3/15/2021 20:59 PST Section 5 - Epilogue
Event Information

Free Limited CE Exchange

  • Login during the campaign to obtain a [CBC2021 Special Invitation] CBC 2021 Special Invitation!
  • Use the invitation to redeem one of 9 limited CEs from the Event Shop!
  • Note the invitation will disappear if not used by the end of the campaign period.
  • Requirements: Clear Fuyuki
  • Campaign Period: 3/8/2021 00:00 - 3/15/2021 20:59 PST
Name Effect Description Featured Servants

The Dantès Files: The Case of the True Mastermind 5★
Quick +10% (MLB +15%)
Crit Dmg +10% (MLB +15%)
NP Gain +15% (MLB +20%).

Hermit Cocktail Shaker drops +1 (MLB +2).
[CBC 2021 Only]
Edmond DantesSherlock HolmesAmakusa ShirouJeanne d'Arc (Alter Santa Lily)

Dance with the Round Table 5★
Crit Stars Gather +400% (MLB +600%)
NP Gain +20% (MLB +25%).

Hermit Cocktail Shaker drops +1 (MLB +2).
[CBC 2021 Only]
Arthur Pendragon (Prototype)Lancelot (Saber)GawainTristanBedivere

Cunning Foresight 4★
Apply Sure Hit
NP Gain +15% (MLB +20%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]
Qin Shi HuangPrince of Lan Ling

Glorious Cherry Blossoms 4★
Arts +10% (MLB +15%)
Crit Dmg +8% (MLB +10%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]
Sakamoto RyoumaOkada Izo

Teacher and Me 4★
Arts/Quick +8% (MLB +10%)
NP Dmg +5% (MLB +10%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]
AchillesChiron

Trojan Bar 3★
NP per turn +1% (MLB +2%)
NP Dmg +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]
Li Shuwen (Assassin)HektorRider of Resistance

Under the Knife 3★
Evade 1 time (MLB no change)
Crit Dmg +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]
SigurdAssassin of Shinjuku

Angel's Breath 3★
Healing Received +5% (MLB +10%)
NP Gain +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]
AstolfoSiegCharles-Henri Sanson

Vampire Masquerade Ball 3★
Stars per turn +1 (MLB +2)
Star Drop Rate +10% (MLB +15%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]
Antonio SalieriWolfgang Amadeus Mozart
The Dantès Files: The Case of the True Mastermind
Dance with the Round Table
Cunning Foresight
Glorious Cherry Blossoms
Teacher and Me
Trojan Bar
Under the Knife
Angel's Breath
Vampire Masquerade Ball

Login Bonus: Free Command Code + Tickets

  • Login daily during the campaign to receive a [Mysterious Glass] Mysterious Glass each day! These can be exchanged in the Event Shop for Summon Tickets and a new Limited Command Code!
  • Note the Command Code can only be received with the 7th glass!
  • Requirements: Clear Fuyuki
  • Distribution Period: 3/8/2021 00:00 - 3/17/2021 20:59 PST
  • Exchange Period: 3/8/2021 00:00 - 3/21/2021 20:59 PST
  • Login in a total of 7 times during the distribution period to claim all presents!
# Logins Present Exchange
1 x1 Summon Ticket x1
2 x1 Summon Ticket x1
3 x1 Summon Ticket x1
4 x1 Summon Ticket x1
5 x1 Summon Ticket x1
6 x1 Summon Ticket x1
7 x1 Coffin of the Fall x1
Login Bonus Information

Chaldea Boys Collection 2021 Wallpapers

  • Wallpapers and Lock Screen images based on limited Chaldea Boys Collection CEs will be distributed from a special Fate/Grand Order Official Site!
  • Period: 3/8/2021 11:00 - 3/19/2021 19:59 PST
  • Special Site URL is coming soon!

Rare Prism Shop Update

  • Da Vinci's Rare Prism shop will be updated with the below items!
  • Period: 3/8/2021 00:00 PST - Indefinite
Item Cost Limit Description
x3 1 Unlocks CBC 2020 Craft Essence Exchange.

The Star of CamelotThe Dantes Files: Undercover in a Foreign LandGateau au ChocolatGolden and Sun, the GamblersChaldea Special Investigation UnitWelcome, Our CustomerMusketeersThe Men After the Rain

New Costume: Grey Collar (Archer of Shinjuku)

Archer of Shinjuku
Archer of Shinjuku will be receiving a new Spiritron Dress (Costume): Grey Collar!
Obtain the Costume from the Event Shop:
Hermit Cocktail Shaker x200
Available 3/8/2021 00:00 PST
Spiritron Dress: Grey Collar

Rank Up: Archer of Shinjuku

  • A new Rank Up quest will be released during this event on 3/8/2021 00:00 PST!
Rank Up: Archer of Shinjuku (Spoilers - True Name)
End of the Spider's Web A++

(Can only be used with 10 critical stars or more.)
Increase own NP Gauge.
Increases own NP Strength by 20% (3 turns).
Consumes 10 Critical Stars. [Demerit]

Show Info
Lvl12345678910
NP + 30%32%34%36%38%40%42%44%46%50%
CD 8 8 8 8 8 7 7 7 7 6
End of the Spider's Web A+++

(Can only be used with 10 critical stars or more.)
Increase own NP Gauge.
Applies [Evil Alignment] to other party members (3 turns).
Increases own NP Strength by 20% (3 turns).

Show Info
Lvl12345678910
NP + 30%32%34%36%38%40%42%44%46%50%
CD 8 8 8 8 8 7 7 7 7 6

Event Items & Currencies

Icon Name Description
Hermit Cocktail Shaker Event Shop Currency
(Qty: 3,200 needed to clear shop)
Tricky Cloth Event Shop Currency
(Qty: 2,850 needed to clear shop)
Spiderweb Coaster Event Shop Currency
(Qty: 3,200 needed to clear shop)
CBC2021 Special Invitation Login Reward
Exchange for a CBC 2021 Limited CE
Mysterious Glass Daily Login Reward
Exchange for Summon Tickets
+Limited Command Code
Spiritron Dress "Grey Collar" Costume for Archer of Shinjuku
From Event Shop (Hermit Cocktail Shaker x200)

Event CEs

Name How to Obtain Event Bonus

The Dantès Files: The Case of the True Mastermind 5★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Hermit Cocktail Shaker +1 (MLB: +2)

Dance with the Round Table 5★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Hermit Cocktail Shaker +1 (MLB: +2)

Cunning Foresight 4★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Tricky Cloth +1 (MLB: +2)

Glorious Cherry Blossoms 4★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Tricky Cloth +1 (MLB: +2)

Teacher and Me 4★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Tricky Cloth +1 (MLB: +2)

Trojan Bar 3★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Friend Point Gacha
Spiderweb Coaster +1 (MLB: +2)

Under the Knife 3★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Friend Point Gacha
Spiderweb Coaster +1 (MLB: +2)

Angel's Breath 3★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Friend Point Gacha
Spiderweb Coaster +1 (MLB: +2)

Vampire Masquerade Ball 3★
CBC2021 Invitation (Select 1 of 9)
Event Gacha
Friend Point Gacha
Spiderweb Coaster +1 (MLB: +2)

Craft Essence Effects

Name Effect Description

The Dantès Files: The Case of the True Mastermind 5★
Quick +10% (MLB +15%)
Crit Dmg +10% (MLB +15%)
NP Gain +15% (MLB +20%).

Hermit Cocktail Shaker drops +1 (MLB +2).
[CBC 2021 Only]

Dance with the Round Table 5★
Crit Stars Gather +400% (MLB +600%)
NP Gain +20% (MLB +25%).

Hermit Cocktail Shaker drops +1 (MLB +2).
[CBC 2021 Only]

Cunning Foresight 4★
Apply Sure Hit
NP Gain +15% (MLB +20%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]

Glorious Cherry Blossoms 4★
Arts +10% (MLB +15%)
Crit Dmg +8% (MLB +10%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]

Teacher and Me 4★
Arts/Quick +8% (MLB +10%)
NP Dmg +5% (MLB +10%).

Tricky Cloth drops +1 (MLB +2).
[CBC 2021 Only]

Trojan Bar 3★
NP per turn +1% (MLB +2%)
NP Dmg +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]

Under the Knife 3★
Evade 1 time (MLB no change)
Crit Dmg +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]

Angel's Breath 3★
Healing Received +5% (MLB +10%)
NP Gain +5% (MLB +10%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]

Vampire Masquerade Ball 3★
Stars per turn +1 (MLB +2)
Star Drop Rate +10% (MLB +15%).

Spiderweb Coaster drops +1 (MLB +2).
[CBC 2021 Only]

Event Command Codes

Name How to Obtain Effect Description

Coffin of the Fall 4★
[Mysterious Glass] Exchange Reward from 7th Day Login Remove 1 [Debuff Immune] buff from target when attacking with engraved card.
Crit Dmg +20% vs [Good] alignment enemies when attacking with engraved card.

Event Bonus Servants

  • All Male and [Other] gender Servants will gain a damage bonus during this event!
Class Servants Event Bonus
Gold Saber Buff_Damage +50%
Gold Archer
Gold Lancer
Gold Rider
Gold Caster
Gold Assassin
Gold Berserker
Gold Ruler
Gold Avenger

Featured Servants

Limited
Only available during special summoning campaigns
Story-Locked
Only available during special campaigns or via Story Summon after clearing their associated Main Story chapter
Non-Limited
Will be available in the general summoning pool after the summoning period ends

Summoning Campaign

Date Daily Rate Up Servant Other / CE Rate-Ups
3/8/2021 00:00 - 3/8/2021 19:59 PST

CEs:
3/8/2021 20:00 - 3/9/2021 19:59 PST
3/9/2021 20:00 - 3/10/2021 19:59 PST
3/10/2021 20:00 - 3/11/2021 19:59 PST
3/11/2021 20:00 - 3/12/2021 19:59 PST
3/12/2021 20:00 - 3/13/2021 19:59 PST
3/13/2021 20:00 - 3/14/2021 20:59 PST
3/14/2021 21:00 - 3/15/2021 20:59 PST
3/15/2021 21:00 - 3/16/2021 20:59 PST
3/16/2021 21:00 - 3/17/2021 20:59 PST
3/17/2021 21:00 - 3/18/2021 20:59 PST
3/18/2021 21:00 - 3/19/2021 20:59 PST
3/19/2021 21:00 - 3/20/2021 20:59 PST
3/20/2021 21:00 - 3/21/2021 20:59 PST