Isomer E3-B3: Shark and Sea Battle III EX

Possible Drops:


 Mission and Clear Conditions:

Mission: Capture Command Post

Clear Guide:

Team Recommendations: 

  • 3 Combat Echelon
    • AR/SMG, or AR/SG formation recommended to handle SWAP Dragoons. 
  • 1 Dummy Echelon

Clear Steps

Welcome to SWAP units. Please consult the main page for this event for an overview of the abilities these units gain, but the thing to know is that Swap Dragoons are the face of Death for the unprepared. Much of this map is about avoiding any unneeded fights with those monsters, although some must be fought in the deceptive Black Bean on the Command Post. Shotguns with sufficient Armor can tank the Dragoons, but sufficient firepower should be brought otherwise overwhelming their shields will make it hard to deal enough Damage to survive the Battle. If you mess up a fight them do not be afraid to reset the fight for another go. 

We will be making use of the gate Squish technique here to remove the threat of one of the Manticore Deathstacks.

Turn 1


Deploy a Combat Echelon on the Command Post. Move them right two nodes.


Deploy a Second Combat Echelon on the Command Post. End your turn. 

Turn 2


Move the first Combat Echelon up one node.


Move the second Combat Echelon to the right.


Deploy a Dummy Echelon on the Command Post and End your turn.

Turn 3


Move the second Combat Echelon back to the Command Post. 


Bring the first Combat Echelon back down one node, and left one node. Be ready to square up to the Dragoon. Micro and high initial DPS will help ensure this fight goes smoothly. End your turn. 

Turn 4


Deploy Combat Echelon on the Heliport to the right. Move them up three nodes, and right three nodes. Activate the Console, and open the gates. 


With the gates open, move the uppermost Echelon right one node. End your turn.

Turn 5


Move the Upper Combat Echelon back onto the Console. Open and close the Gate to squish the Deathstack at the bottom into near submission. 


Once the Deathstack’s CE stops decreasing (should end up about 5.8k), move the far right Combat Echelon left one node, up three nodes, giving the Manticores a lethal tickle, then left one node, and down two nodes.


Move the Dummy Echelon up one node.


Bring the second Combat Echelon back left onto the Command Post. 


Finally , move the uppermost Combat Echelon to the right one node. 

Turn 6


Move the leftmost Combat Echelon up four nodes to engage the rather deceptive Bean on the Command Post. Be prepared for SWAP unit, and there is, in fact, a Black Bean hiding in that hatred. It’s luckily positioned so you DPS will target it first and should blow it away without issues.

Video Guide:

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About the Author(s)

aka Soulmuse basically everywhere. Discord: soulmuse#8741.

Guide writer for Girls Frontline. KSG and G3 Propagandist. Writes the occasional fanfic.  

Feel free to send guide suggestions and feedback via DM on Discord or Reddit. You can also find me in the GFL section of the community discord. Also on twitter