The names and descriptions of Underflow's talent(s), skill(s), base skills, and Operator Modules are tentative translations which may not represent the official English localization and will be updated when the Operator is announced or released in the Global server of Arknights.
Attacks cause the target to take 40 Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
Attacks cause the target to take 50 (+10) Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
Attacks cause the target to take 80 Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
Attacks cause the target to take 90 (+10) Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
Skills
Response Against Invasion
Auto Recovery
Manual
30 seconds
Level
Effect
ATK +25%, DEF +25%
0
40
30
ATK +27%, DEF +27%
0
40
30
ATK +29%, DEF +29%
0
40
30
ATK +32%, DEF +32%
5
37
30
ATK +34%, DEF +34%
5
37
30
ATK +36%, DEF +36%
5
37
30
ATK +39%, DEF +39%
10
35
30
ATK +42%, DEF +42%
10
34
30
ATK +45%, DEF +45%
10
33
30
ATK +50%, DEF +50%
15
30
30
Movement Prohibitor
Auto Recovery
Manual
15 seconds
■□□□
Level
Effect
Attack range expands, ATK +20%, ASPD +20; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
20
42
15
Attack range expands, ATK +23%, ASPD +20; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
20
41
15
Attack range expands, ATK +26%, ASPD +20; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
20
40
15
Attack range expands, ATK +30%, ASPD +25; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
21
39
15
Attack range expands, ATK +33%, ASPD +25; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
21
38
15
Attack range expands, ATK +36%, ASPD +25; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
21
37
15
Attack range expands, ATK +40%, ASPD +30; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
22
36
15
Attack range expands, ATK +43%, ASPD +36; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
23
35
15
Attack range expands, ATK +46%, ASPD +43; Attacks become venomous spines launched straight ahead which can penetrate up to 3 targets and inflicts Slow for 1 second
24
34
15
Attack range expands, ATK +50%, ASPD +50; Attacks become venomous spines launched straight ahead which can penetrate up to 4 targets and inflicts Slow for 1 second
25
32
15
Skill upgrades
4
4
5
6
2
6
8
6
4
6
3
2
Response Against Invasion
5
3
3
Movement Prohibitor
5
3
2
Response Against Invasion
6
3
4
Movement Prohibitor
6
3
5
Response Against Invasion
10
4
4
Movement Prohibitor
10
4
1
Base skills
Landbound Contact Representative α
When this Operator is assigned to a Trading Post, order acquisition efficiency +25%; if Ulpianus is in the Base (excluding Assistant), order acquisition efficiency additionally +5%
Landbound Contact Representative β
Replaces Landbound Contact Representative α
When this Operator is assigned to a Trading Post, order acquisition efficiency +30%; if Ulpianus is in the Base (excluding Assistant), order acquisition efficiency additionally +10%
Operator Modules
Part of this section still uses the original Chinese texts. You can help the Arknights Terra Wiki by translating it. Please read the translation guidelines first before translating the section.
Original
Original: Underflow's Badge
Operator Underflow has demonstrated a remarkable aptitude for frontline preservation and blockading the enemy. The Field Operations Department has thus passed the following resolution: This operator shall be appointed a Defender Operator during field operations to exercise Sentry Protector responsibilities. In witness whereof, This badge is hereby conferred upon the above named.
Cellular Activity Inhibitor improved: Attacks cause the target to take 90 Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
ATK +52 DEF +43
Cellular Activity Inhibitor improved: Attacks cause the target to take 100 Arts damage per second for 3 seconds (damage is doubled against [Sea Monster] enemies)
Module Missions
During battle, have Underflow use Movement Prohibitor a total of 8 times (excluding Support Units)
Clear IntermezziSN-5 with a 3-star rating; You must deploy your own Underflow, and can only include up to 4 other Operators as members
Prerequisites
Complete both of Underflow's SPT-X Module Missions.