Swarmers

Swarmers are bowling-ball size bugs with knife wings. They are extremely easy to mentally control. They are lead by one Leader, which is the size of a dinner plate, is gold in contrast to the usual black, and has four bigger wings made of titanium alloy.

The Swarmers were controlled to make several planetoids in the shape of the Leader. When one Leader dies, another Swarmer morphs into it. These giant planets, of which there are fifteen, eventually destroyed Earth, splitting it into five pieces. Because the adventurers were trapped on the fourth piece, th Narrator expanded himself to the size of a planet to sustain them temporarily. Then the giant Swarmer planet crused those five pieces to dust.

Leaders
Leaders are slightly slower but much more damage-resistant than normal Swarmers. They can also spawn more Swarmers, and as mentioned before, another Swarmer takes the Leader's place if the current one dies.

Combat
Swarmers are talented at making strategic shapes to kill their opponent. For instance, to wound Miljinga, they made themselves into the shape of a cup on its side and lifted Miljinga into it. They then twirled around mercilessely, repeatedly knifing their feline offender. Another ablility of the Swarmers is that they can use magic to attack, defend, and heal injured friends.