The Bee shield is an extremely rare legendary item in Borderlands 2, which improves your character's boost damage, shield reload speed, reload delay, and other defensive bonuses. The item is in the possession of Hunter Hellquist and you must kill it one or more times to get it.
Steps
Step 1. Reach the Arid Nexus - Boneyard area using the teleportation system
Step 2. Continue east within the zone until you reach the "Hyperion Truth Network" facility
Step 3. Walk to the elevator which is behind the building
You will see a console with a red button and an arrow pointing up.
Step 4. Stand on the elevator platform, then press the red button; will turn green and the elevator will take you up to Hellquist's house
Step 5. Head to the right side of the camp and press the red button
The side door will open.
Step 6. Enter the building and face Hellquist
Step 7. Aim for Hellquist's head with a shotgun, then shoot
You will kill him and get his items, among which you can find The Bee shield.
Save and exit the game after looting Hellquist's corpse, then repeat steps 1-7 until you find The Bee shield. This is a rare item and the likelihood of getting it is very low. You may have to repeat the mission 200 times before you find it
Step 8. Collect Hellquist's items and weapons, then save and exit the game
Obtained The Bee Shield.