| “ | A common detector Construct often built in the wastes. Wherever it towers up high is where enemies hide. | ” |
| —Watch Tower description |
| “ | Temporary reconnaissance outpost. The lightened structures has led to doubts about its safety. Fortunately, lookouts do not have to climb the tower themselves; the reconnaissance equipment at the top does almost all the work. | ” |
| —Monitoring Tower description |
The Watch Tower, known as Monitoring Tower in Fire Within the Sand, is a Construct in the Reclamation Algorithm game mode of Arknights.
Watch Towers lift the Fog of War on the surroundings, which is essential for reconnaissance without risking Operators to scout the area.
| Tier | Information | Prerequisites |
|---|---|---|
| I | The standard Construct
|
Level 3 Headquarters 1  , 5 
|
| II | Has +2000 HP and a wider radius; camouflaged for a period of time after being built. | Level 4 Headquarters 2 , 2  , 10
|
| III | Has +2000 HP and global radius; permanently camouflaged. | Level 5 Headquarters 3 , 3  , 6 , 10
|
| Tier | Information | Prerequisites |
|---|---|---|
| I | The standard Construct
|
5
|
| II | Has +2000 HP, +200 DEF, and a wider radius; camouflaged. | 1  , 3 , 12
|
| III | Has +2000 HP, +200 DEF, and an even wider radius. | 3 , 7 , 16
|
| HP | ATK | DEF | RES |
|---|---|---|---|
| 4000 | 0 | 200 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Watch Tower has an aggression level of -1. | |||
 |
Scout Passive | |||
|---|---|---|---|---|
| Effect | 
|
|
| |
| Can scout the visible area within a certain range | – | – | – | |
| HP | ATK | DEF | RES |
|---|---|---|---|
| 6000 | 0 | 200 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Watch Tower has an aggression level of -1. | |||
|
Scout Passive | |||
|---|---|---|---|---|
| Effect |
|
|
| |
| Can scout the visible area within a certain range | – | – | – | |
| HP | ATK | DEF | RES |
|---|---|---|---|
| 8000 | 0 | 200 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Watch Tower has an aggression level of -1. | |||
|
Scout Passive | |||
|---|---|---|---|---|
| Effect |
|
|
| |
| Can scout the visible area within the entire node | – | – | – | |
| Can be deployed in high or low areas | |||
| HP | ATK | DEF | RES |
|---|---|---|---|
| 6000 | 0 | 300 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Monitoring Tower has an aggression level of -1. | |||
 |
Monitor Passive | |||
|---|---|---|---|---|
| Effect |
|
|
| |
| Lv. I: Offers visibility in an area. | – | – | – | |
| Can be deployed in high or low areas | |||
| HP | ATK | DEF | RES |
|---|---|---|---|
| 8000 | 0 | 500 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Monitoring Tower has an aggression level of -1. | |||
|
Monitor Passive | |||
|---|---|---|---|---|
| Effect |
|
|
| |
| Lv. II: Offers visibility in an area. Range increased, reinforced, and gains Camouflage. | – | – | – | |
| Can be deployed in high or low areas | |||
| HP | ATK | DEF | RES |
|---|---|---|---|
| 10000 | 0 | 700 | 0 |
| DP cost | Redeployment time | Block count | Attack interval |
| N/A | N/A | 1 | N/A |
| Addendum | |||
| The Monitoring Tower has an aggression level of -1. | |||
|
Monitor Passive | |||
|---|---|---|---|---|
| Effect |
|
|
| |
| Lv. III: Offers visibility in an area. Range further increased, heavily-reinforced, and gains Camouflage. | – | – | – | |