Underwater Survey Mek (Ousia)
Last updated 2026-07-17
Underwater Survey Mek (Ousia) is a dangerous creature caught during Operation Deep-Dive Treasure in the Sunny Summer Fontinalia event. It can be found in multiple Water Zones, but only during the Pollution Phase.
Underwater Survey Mek (Ousia) occupies 10 slots in the Treasure Inventory. Its normal version rewards 
Funds ×4,000 and its Prismatic variant rewards Funds ×8,800.
The following item is a variant of Underwater Survey Mek (Ousia):
Other Languages
| Language | Official Name |
|---|---|
| English | Underwater Survey Mek (Ousia) |
| Chinese (Simplified) | 机关・荒性水下勘测型 |
| Chinese (Traditional) | 機關・荒性水下勘測型 |
| Japanese | 水中観測マシナリー・ウーシア |
| Korean | 장치・우시아 수중 탐측 타입 Jangchi - Usia Sujung Tamcheuk Taip |
| Spanish | Mecasondeador Subacuático - Ousía |
| French | Mek subaquatique ousia |
| Russian | Мек: Подводное исследование (усия) Mek: Podvodnoye issledovaniye (usiya) |
| Thai | จักรกลสำรวจใต้น้ำ - สสาร |
| Vietnamese | Robot Khảo Sát Đáy Biển Ousia |
| German | Mecha – Typ: Subaquatische Untersuchung – Ousia |
| Indonesian | Underwater Survey Mek (Ousia) |
| Portuguese | Mecassubmarino de Levantamento (Ousia) |
| Turkish | Su Altı Araştırma Mekası (Öz) |
| Italian | Meka ricognitore subacqueo (Ousia) |
Change History
Released in Version "Luna VIII"