Pokemon GO Raid Pass allows you to participate in a Raid Boss Battle. You can get it for free by simply visiting a near by Gym Location. However, you can only hold one of these at any given time. Additionally, you can pay-to-play and buy a Pokemon GO Raid Pass from the in-game shop.
You’ll be able to obtain a Legendary Raid Pass.
|Pokemon GO Raid Pass|
|Description||A ticket that allows you to participate in Raid Boss Battles.|
|Obtaining it||By visiting a Pokemon Gym or purchasing it from the in-game shop|
|Used for||Raid Boss Battles|
From entering in the event you’ll face off against a powerful high cp pokemon with other players. If you defeat it with your group, it’ll drop exclusive items and TMs. If you manage to defeat it before 5 minutes you’ll also get a chance to catch very rare pokemon.