Area Defense Originium Science Park Level 2 Guide for the Early Warning Terminal in Endfield. See strategies for Auto Defense, Operator Intervention, and facilities to use.
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Originium Science Park Level 2 Auto-Battle Guide
- Use Heavy Gun, Surge and LN Towers
- Surge Towers can be crafted after obtaining Sandleaf
- The Boss temporarily disables the facilities
Use Heavy Gun, Surge, and LN Towers

In Auto-Defense, for each route, you can install three (3) Heavy Gun Towers, one (1) LN Tower, and two (2) Surge Towers. You can check the image above for reference on where to place them.
Surge Towers Can Be Crafted After Obtaining Sandleaf

Maximize your base's strength by using the Surge Tower. Constructing it requires Steel Parts, which are manufactured using Sandleaf. If this resource is still locked, prioritize progressing through the main story until you reach the necessary area where you can farm the Sandleafs.
The Boss Temporarily Disables Facilities
The boss, Thrylissoron, uses a powerful slam attack that temporarily shuts down nearby buildings. By positioning a Heavy Gun Tower in front of your Surge Tower. This prevents your most critical facilities from going offline, allowing you to maintain constant damage output throughout the challenge.
Originium Science Park Level 2 Operator Intervention Guide
- Place 2 sets of 3 Heavy Gun Towers and 1 Surge Tower
- Stalling enemies using Solidification from Character Skills is effective
Set of 3 Heavy Gun Towers 1 Surge Tower

For the Operator Intervention, it is recommended to install three (3) Heavy Gun Towers and two (2) Surge Towers on each route. You can check the image above for reference. Pay attention mostly to the southern route since it has two enemy lanes, and make sure no enemies will pass through.
Stalling Enemies Using Solidification

Normal enemies can be stalled for a long time by applying Solidification. In this stage, Solidification is effective against all enemies and lasts a long time, so if your characters are enhanced enough, try using a Solidification team.