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Highlander Railroad Explosion Incident

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Overview
Rerun

The following article is a WIP and everything written may not be accurate yet so please take this with a grain of salt.
Please check with our fan Discord or Reddit groups for more information.V • T • E

The Highlander Railroad Explosion Incident - And Then the Train Disappeared (ハイランダー鉄道爆走事件〜そして列車はなくなった〜) is the 45th event in Blue Archive featuring the members of the Central Control Center.

Blurb[]

⁠

“”

~ to Sensei, Visiting

“”

~ to Sensei, Visiting

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Visiting, Event Ending

9 =

“”

~ to Sensei, Visiting, Event Ended

⁠

“”

~ to Sensei, Visiting

“”

~ to Sensei, Visiting

“”

~ Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Visiting, Event Ending

“”

~ to Sensei, Visiting, Event Ending

9 =

“”

~ to Sensei, Visiting, Event Ended


Event Details[]

Information[]

  • Event Period: April 22nd, 2025 JST ~ May 07th, 2025 JST
  • Rewards Period: April 22nd, 2025 JST ~ May 14th, 2025 JST
  • Challenge Stage: April 23rd, 2025 JST
  • In this Event:
  • New Minigame has been added.

Currency Boost[]

+25%
+25%
+15%
+15%
+15%
+15%
+15%
+10%
+10%
+10%
+15%
+15%
+15%
+15%
+30%
+15%
+15%
+15%
+15%
+15%
+15%
+10%
+10%
+10%
+15%
+15%
+15%
+15%
+10%
+30%
+15%
+15%
+15%
+15%
+15%
+15%
+10%
+10%
+15%
+15%
+15%
+15%
+10%


Event Guide[]

  • Stages are likely required to be cleared twice. If teachers don't have the upgraded event students; It's easier to clear the stage twice: to get the 3★, bonus student drops, and thus the maximum reward.
  • Once an area has been perfectly cleared, at 3★. The stage reward given is always the highest recorded drop, including the bonus from the students.
    • Using the "Skip or Rush" function will record the highest drop.
  • In this event, teachers can farm a lot of items:
    • Materials (Ooparts)
      There are 4 types of materials that teachers are able to obtain and each can be obtained from tier 1 to tier 4. There is no event bonus for these materials.
      • Wolfsegg⁠ ~ Quest 1 (T1/2) / Quest 5 (T2/3) / Quest 9 (T2/3/4)
      • Crystal Haniwa⁠ ~ Quest 2 (T1/2) / Quest 6 (T2/3) / Quest 10 (T2/3/4)
      • Rohonc⁠ ~ Quest 3 (T1/2) / Quest 7 (T2/3) / Quest 11 (T2/3/4)
      • Baghdad⁠ ~ Quest 4 (T1/2) / Quest 8 (T2/3) / Quest 12 (T2/3/4)
    • Event Currency
      Generally, event currencies dropped on all quests with the higher difficulty giving out more and can be doubled should teachers bring along students with event bonuses.
      • Freight Train Route Map⁠ ~ Quest 10
      • Mysterious Cargo⁠ ~ Quest 11
      • Highlander Commemorative Sticker⁠ ~ Quest 12

Stage Detail[]

Story Stages
No. AP Lv Terrain ATK DEF Initial Reward Reward (No Bonus) 3★
01
x10
 No Battle
x1
x10
x10
x1
x20
02
x10
x10
03
x10
x10
04
x10
x10
05 14 ⁠
x10
x10
06 No Battle
x10
x10
07 16 ⁠
x10
x10
08 No Battle
x10
x10
09 18 ⁠
x10
x10
10 No Battle
x10
x10

Quest Stages
No. AP Lv Terrain ATK DEF Initial Reward Reward (No Bonus) 3★
01
x10
 23 ⁠
x200
x50
x50
x8
x5
x5
x1
25%
x1
15%
x30
02 ⁠
x200
x100
x5
x8
x5
x1
25%
x1
15%
03 ⁠
x100
x200
x5
x5
x8
x1
25%
x1
15%
04
x300
x12
x3
x3
x1
25%
x1
15%
05
x15
 45
x200
x100
x100
x15
x6
x6
x1
25%
x1
8%
06 ⁠
x250
x150
x6
x15
x6
x1
25%
x1
8%
07 ⁠
x150
x250
x6
x6
x15
x1
25%
x1
8%
08
x400
x23
x2
x2
x1
25%
x1
8%
09
x20
 80
x300
x100
x100
x28
x4
x4
x1
25%
x1
12%
x1
2.1%
10 ⁠
x50
x450
x4
x32
x1
25%
x1
12%
x1
2.1%
11 ⁠
x50
x450
x4
x32
x1
25%
x1
12%
x1
2.1%
12
x500
x36
x1
25%
x1
12%
x1
2.1%

Challenge Stages
No. AP Lv Terrain ATK DEF Initial Reward 3★ Seconds Guide
01
x5
 50 ⁠
x50
x50
 100 [ ブルアカ攻略]
02 85 ⁠ 100 [ ブルアカ攻略]
03 90 ⁠ 150 [ ブルアカ攻略]

EX Challenge Stages
No. AP Lv Terrain ATK DEF Initial Reward 3★ Guide
EX
x5
 90 ⁠
x5
x5
 [ ブルアカ攻略]

Type Compatibility
DEF/ATK
Normal
Explosion
Penetration
Mystic
Sonic
Normal
 Normal Normal Normal Normal Normal
Light
 Normal Weak Resist Normal Normal
Heavy
 Normal Normal Weak Resist Resist
Special
 Normal Resist Normal Weak Effective
Elastic
 Normal Resist Normal Normal Weak
Damage
Effect Damage Dealt
Weak 2x (200%)
Effective 1.5x (150%)
Normal 1x (100%)
Resist 0.5 (50%)

Achievement[]

File:Event 45 - Guide 3.png⁠

Achievements
No. Requirement Count Reward Rush? Tips
01 Clear all Story, Quest, and Challenge stages 24
x1
Highlander Railroad Explosion Incident
No Clear all stages
02 Place 10 Rail Tiles 10
x100K
 Play the Minigame
03 Place 20 Rail Tiles 20
04 Place 30 Rail Tiles 30
05 Place 40 Rail Tiles 40
06 Place 60 Rail Tiles 60
x200K
07 Place 80 Rail Tiles 80
08 Place 100 Rail Tiles 100
09 Place 120 Rail Tiles 120
10 Place 140 Rail Tiles 140
11 Place 170 Rail Tiles 170
x300K
12 Place 200 Rail Tiles 200
13 Clear the Railroad Puzzle Minigame once 1
x30
14 Clear the Railroad Puzzle Minigame twice 2
15 Clear the Railroad Puzzle Minigame 3 times 3
16 Clear the Railroad Puzzle Minigame 4 times 4
17 Clear the Railroad Puzzle Minigame 5 times 5
18 Clear the Railroad Puzzle Minigame 6 times 6
19 Clear the Railroad Puzzle Minigame 7 times 7
20 Clear the Railroad Puzzle Minigame 8 times 8
21 Clear the Railroad Puzzle Minigame 9 times 9
22 Clear Quest 1 of the event within 75 seconds 75
x200K
 N/A
23 Clear Quest 2 of the event within 75 seconds
24 Clear Quest 3 of the event within 75 seconds
25 Clear Quest 4 of the event within 75 seconds
26 Clear Quest 5 of the event within 75 seconds
x400K
27 Clear Quest 6 of the event within 75 seconds
28 Clear Quest 7 of the event within 75 seconds
29 Clear Quest 8 of the event within 75 seconds
30 Clear Quest 9 of the event within 75 seconds
x500K
31 Clear Quest 10 of the event within 75 seconds
32 Clear Quest 11 of the event within 75 seconds
33 Clear Quest 12 of the event within 75 seconds
34 Clear Challenge 1 of the event within 100 seconds 100
x60
 [ Guide] by ブルアカ攻略
35 Clear Challenge 2 of the event within 100 seconds 100 [ Guide] by ブルアカ攻略
36 Clear Challenge 3 of the event within 120 seconds 120 [ Guide] by ブルアカ攻略
37 Clear 14 or more of the event missions 14
x1
 Any 14 missions

Shop[]

Exchange Shop[]

File:Event 45 - Guide 5.png⁠

⁠

“”

~ to Sensei, Visiting

“”

~ to Sensei, Visiting

“”

~ to Sensei, Tapping

“”

~ to Sensei, Tapping

“”

~ to Sensei, Exchanging

“”

~ to Sensei, Exchanging

“”

~ to Sensei, Exchanging

“”

~ to Sensei, Visiting, Event Ended

Freight Train Route Map⁠
Total Price ~ 16095
x3
x1
x1
x1
90 Times 95 Times 30 Times 12 Times
⁠ 1 ⁠ 3 ⁠ 12 ⁠ 60
x1
x1
x1
x1
30 Times 18 Times 12 Times 4 Times
⁠ 10 ⁠ 30 ⁠ 100 ⁠ 300
x1
x1
x1
x1
60 Times 30 Times 12 Times 6 Times
⁠ 5 ⁠ 15 ⁠ 50 ⁠ 200
x1
x1
x1
x1
60 Times 30 Times 12 Times 6 Times
⁠ 5 ⁠ 15 ⁠ 50 ⁠ 200
x1
x1
x1
10 Times 10 Times 1 Time 1 Time
⁠ 200 ⁠ 200 ⁠ 300 ⁠ 2000
x1
N/A
⁠ 5

Mysterious Cargo⁠
Total Price ~ 18200
x1
x1
x1
x1
180 Times 95 Times 30 Times 12 Times
⁠ 1 ⁠ 4 ⁠ 15 ⁠ 60
x1
x1
x1
x1
50 Times 38 Times 25 Times 15 Times
⁠ 5 ⁠ 15 ⁠ 50 ⁠ 200
x1
x1
x1
x1
60 Times 30 Times 12 Times 6 Times
⁠ 5 ⁠ 15 ⁠ 50 ⁠ 200
x1
x1
x1
x1
60 Times 30 Times 12 Times 6 Times
⁠ 5 ⁠ 15 ⁠ 50 ⁠ 200
x1
x1
x1
x1
10 Times 10 Times 1 Time 1 Time
⁠ 200 ⁠ 200 ⁠ 300 ⁠ 2000
x5000
N/A
⁠ 5

Pipe Wrench⁠
Total Price ~ 215
x5
x1
x1
x1
20 Times 1 Time 10 Times 10 Times
⁠ 2 ⁠ 20 ⁠ 3 ⁠ 3
x1
x1000K
x500K
x250K
1 Time 3 Times 5 Times 8 Times
⁠ 6 ⁠ 9 ⁠ 6 ⁠ 4
x50K
N/A
⁠ 1


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