(You are inside a scout sub armed with a single torpedo turret. your team leader Willow is outside the sub Swimming ahead of you in the pitch black waters of the abyss.)

Willow motions to keep moving and swims ahead, on the sonar you see two dots, one green and a large red one. Wiliow is floating in front of it.

The radio crackles to life, then you hear willow's stern voice.

Here is the underwater volcano, We're almost near the ecological deadzone be alert this point on.