Swarmkeeper Dedication Feat 2

Source Pathfinder Howl of the Wild
Prerequisites trained in Nature

Your body has become a symbiotic hive for a swarm of crawling insects. You can emit your swarm using the Swarm Forth action, and you can use the Bite and Sting action while your swarm is outside your body to command it to attack. Your deep connection to your swarm precludes you from also having an animal companion, though if an ability allows you to have more than one animal companion (such as the beastmaster archetype), you can count your swarm as one. You're immune to any damage from your swarm, and during your daily preparations you can anoint up to five willing creatures with a concoction made from your pheromones to grant them immunity as well.

While outside your body, your swarm is Large and has a Speed of 15 feet and a climb Speed of 15 feet. It can occupy the same space as other creatures. While outside your body, the swarm can be attacked. It uses your statistics for defenses but is immune to Grabbed, Prone, Restrained, and mental effects that target only a specific number of creatures. The swarm has resistance equal to your level to physical damage and weakness equal to your level to area and splash damage. Any damage that would be dealt to the swarm is dealt to you instead, though you take damage only once from any ability that includes both you and the swarm in the area of effect (though you take the greater amount of damage).

Uncommon

Many civilizations throughout history have benefited from a symbiotic relationship with insects. A community might raise insects for certain byproducts, such as a bee's honey or a spider's silk, or tame larger versions of common species as mounts. Some even take this harmony to the extreme and willingly host a swarm of insects inside their bodies. Because of their unusual arrangement, swarmkeepers tend to live solitary lives, or at least as solitary as you can be as a host of thousands. When dealing with those who might be squeamish of their abilities, some swarmkeepers wear straw skeps, backpack-like boxes often employed by beekeepers as a kind of social camouflage. Such items might even be used to house additional insects if their swarm grows too big to fit inside their body.

Swarmkeepers can add new capabilities to their swarms. For some, this means incorporating many different species of insects into their swarm, making even mortal enemies in nature work together. Others selectively cultivate one kind of insect precious to them into various morphs that give the swarm new capabilities.