Chapter 341: Former Fourth Familiar

"Sera. We'll be retreating into the mine." Nathan reached Sera and immediately turned around, ordering, "You guys. Prepare for a retreat. We'll coordinate with the people and push away all those aliens until the retreat is completed."

Brunhild and the others nodded.

Nathan rained down the bullets upon the aliens, gradually overwhelming them. Brunhild was holding the rear while Fenrir and the others monitored the entire situation, especially against the mature class aliens.

"Go in! Hurry up! Go in!" Flora waved her hand, ordering all the people to go inside the mine. She was accompanied by two spirits on her side. The first one was her earth spirit that would reinforce the mine, while the other one was her plant spirit, trying to nourish the tree.

If Nathan planned to use this tree as a sacrifice, she tried to give it in the form of a much better tree.

When the evacuation was completed, Flora raised her voice. "Nathan, Serafina!"