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Obsidian Festival (2021) - Farming Guide, Vote, & Choices

Arknights | Obsidian Festival (2021) - Farming Guide, Vote, & Choices

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Check out this guide on the Heart of the Surging Flame Rerun (Obsidian Festival event) in Arknights! Know event duration, how to farm tokens & tickets, votes, choices & rewards!!!

Table of Contents

Obsidian Festival Rerun Details

Rerun Event Duration & Details

Heart of the Surging Flame Rerun
Event Duration1/21 10:00 (UTC-7) ~ 2/3 03:59 (UTC-7)
Exchange DurationUp to 2/3 03:59 (UTC-7)
Unlock ConditionsClear the 1-10 Main Story Mission

Event Missions For Exclusive Items

The event missions reward you with tokens, obsidians, and tickets. These can be exchanged to get more items and event-exclusive rewards. Note that you can farm certain maps to get more of these things!

Progress Will Not Reset

As this is a rerun, players who were able to clear missions during the last run will keep their progress. Missions will not reset and will not offer the first-clear bonuses if you have cleared them previously.

Duplicate Items Are Exchanged For Intelligence Certificates

Duplicate Intelligence Certificate

Duplicates such as furnitures and character skins from this event are automatically converted to Intelligence Certificates. Intelligence Certificates can be exchanged for useful items to increase the levels of your Operators. You can check possible exchange items in the Store.

Get The Free ★5 Ceylon

5 Star Ceylon

The main reward of this event is the new ★5 Medic Operator, Ceylon. You can get her for free by just playing the event missions in Obsidian Festival. One important thing to note is that Ceylon is only available in this event and will no be available for Headhunt, so play now if you need a reliable Medic in your team!

Check Out Ceylon's Stats & Skills Here!

Event Video

Obsidian Festival Event Summary & Rewards

Who To Choose Or Vote For?

who to choose?

The Obsidian Festival Event is now at its second phase and players can choose only 1 from 3 different artists. What you choose here will determine which Speaker (Decoration) you will receive after the event. So pick which set you wish to see inside your Dormitory!

gamewithpointPoint!Your choice here directly affects the BGM of the event menu and the appearance of the Capsule Machine. Other than that (and the speaker), the overall rewards that you can get from the event is unaffected by your choice.

Which Artist Did You Choose?

2 Mission Types

Main StageFairgrounds
MissionOF-1 to OF-8OF-F1 to OF-F4
Requirement・SanityObsidian Festival Ticket
DropsObsidian Festival Ticket
Siesta Obsidian
Obsidian Festival Token

The event missions are split into 2 types: Main Stage & Fairgrounds. The Main Stage works like a normal mission, requiring Sanity to play. Completing them rewards you with Obsidian Festival Tickets that you can use to enter the Fairgrounds Missions to get Tokens for the Capsule Machine.

Collect Siesta Obsidian For Rewards

Collect Siesta Obsidian For Rewards

Completing Main Stage missions rewards you with Siesta Obsidian that you can accumulate to unlock rewards. The more you collect, the more rewards that you can get. Rewards include the exclusive skins and decorations, so best grind the missions for Siesta Obsidian!


Unlock Ansel's skin for 2960 Siesta Obsidian!!!

Use Obsidian Festival Tokens For The Capsule Machine!

Collect Festival Tokens For Rewards

In the Fairgrounds, completed missions reward you with tokens instead of tickets. Use these tokens to try your luck with the Capsule Machine. Rare items for Elite 2 Promotion can be gained here so try them out!

Increase The Trust Of New Operators

New Operators

The lineup of Operators that will receive a bonus increase in Trust have also changed. Now, it includes the ones from the new banners. Using these Operators during the event missions rewards you with 50% more Trust.You can also take advantage of the increased Trust bonus given by this event.

Operators With Trust Bonus

Should You Roll The Thorns Banner?

Heart Of The Surging Flame Rerun Event Farming Guide

0Use these event missions to complete your daily missions
1Clear all Event missions (OF-1~8, F1~4) with ★3 if you can
2Replay the Main Stage Missions:
Collect Siesta Obsidians and Festival Tickets (Auto-play cleared stages)
*For Siesta Obsidians go for OF-4 or 7
*For Tickets, replay OF-5 or 8
*For balance numbers of both, OF-3 or 6
3Replay the Fairgrounds Missions:
Collect Festival Tokens (Auto Deploy completed missions)
*Best mission to collect Tokens is OF-F4
*If OF-F4 is too difficult, go for OF-F3
4Use Festival Tokens with the Capsule Machine
5Repeat steps 2 to 4 until you get all the rewards
EXEX Stages do not reward you with anything significant. Do them if you want a challenge

Farm OF-7 For 1060 Siesta Obsidians


The Main Stage's best mission to accumulate Siesta Obsidian is OF-4 or 7. For Tickets, go for OF-5 or 8.If you want both at the same time, consider playing OF-3 to 6. Try to collect up to 1060 Siesta Obsidians with OF-7 or OF-4 if you find the mission difficult to clear.

Check Out The 3-Star OF-7 Guide Here!

Go With OF-8 For Tickets

After collecting the maximum 1060 Siesta Obsidians (rewards go up to 1060 only) going to OF-8 instead to grind Festival Tickets is the next step. OF-8 rewards the largest number of Festival Tickets, so replay it as much as you can. If you find OF-8 difficult, you can grind OF-5 instead.

Check Out The 3-Star OF-8 Guide Here!

Farming The Fairgrounds

Spend all of your Festival Tickets on playing the Fairgrounds missions. Get to the most difficult mission that you can clear and grind that until you get the enough Obsidian Tokens.

gamewithpointPoint!Compared to OF-F1 & OF-F2, OF-F3 & OF-F4 have a better rate in terms of required Tickets and rewarded Tokens. Try to reach OF-F3 and replay it until you get the Tokens that you need.

Should You Do EX Missions?

EX Missions

EX Missions in this event net no significant reward. They also do not reward you with anything if you replay them. If you're looking for a good challenge (and some extra Originite Prime, then give them a try!

EX Missions

Drops & Rewards Per Mission

Main Stage Drops & Requirements

Compared to its initial 2020 run, rewards and the Sanity required have increased a bit.

OF-112Lv 15Siesta Obsidian x 12
Festival Ticket x 3
OF-216Lv 24Siesta Obsidian x 16
Festival Ticket x 4
OF-324Lv 35Siesta Obsidian x 24
Festival Ticket x 6
OF-424Lv 40Siesta Obsidian x 48
OF-524Elite 1Festival Ticket x 12
OF-628Elite 1 Lv 5Siesta Obsidian x 28
Festival Ticket x 7
OF-730Elite 1 Lv 25Siesta Obsidian x 60
OF-830Elite 1 Lv 40Festival Ticket x 15

Fairgrounds Drops & Requirements

OF-F16Lv 30About 18 Tokens
OF-F210Elite Lv 10About 35 Tokens
OF-F315Elite Lv 30About 60 Tokens
OF-F420Elite Lv 60About 80 Tokens

Differences Between Main Stage & Fairgrounds

Main StageFairgrounds
MissionsOF-1 to OF-8
(8 missions in total)
OF-F1 to OF-F4
(4 missions in total)
SanityRequiredNot Required
Required ItemsNoneFestival Ticket
DropsFestival Ticket
Siesta Obsidian
Obsidian Token

There are 2 types of missions in this event: the Main Stage and the Fairgrounds. In order to get Obsidian Tokens for the Capsule Machine, you need to play these missions multiple times to get all the rewards.

Arknights Related Articles

Operator Tier List

Basics for Beginners

Check Out the Beginner Guide & Tips

Gameplay & Battle Tips

Game System & Features

Items and Materials Articles

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Anonymous 4

It’s ALIVE Before Sunset, not DEAD. You can also buy the previous band rewards from the furniture store with parts.

Anonymous 3

Somehow pretty much all the information here seems wrong to me.

A Doctor 3

OF-6 dropping 7 tickets and 28 obsidian per go and sanity cost is 28, not 20. I believe these numbers aren't up to date. OF-7,8 cost 30 sanity and likely drop double.

Anonymous 2

Would have been nice if this info was available at the same time the event was made available to players. +1 for youtubers

dubu99 1

the information on of-4 seems wrong...

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