0.) Be a Level 5+ Warlock with "Conjuration Adept" + "Pact of the Chain" + "Gaze of Two Minds"
1.) Locate an Dungeon / Enemy Stronghold within 1500 feet
2.) Summon a Quasit or Imp Familiar via "Pact of the Chain" via "Pact of the Chain"
3.) Take a Bonus Action to see through your familiar senses then have your familiar take an action to become invisible. Use your bonus action each turn to maintain this connection.
4.) Spend a Pact Magic Slot to Cast "Conjure Animals" which is always prepared courtesy of Conjuration Adept <flavor this as writhing mass of insects>
5.) For the next five minute have the swarm travel 1500 feet (30 ft x 50 rounds) toward the Dungeon / Enemy Stronghold, while






