One of Destiny 2's many additions to existing systems is the concept of Heroic Public Events. These are harder versions of the standard Public Events you run into throughout the world and, as such, provide an opportunity to earn better loot. Unlocking them, however, is not quite as simple as pressing a button to jack up the difficulty. [Update: Curse of Osiris has been released and brings a new Public Event--and a particularly complex process for activating the Heroic. Here's how to activate Mercury's Heroic Public Event.]

The process for activating a Heroic Public Event varies from one to the next. There is a specific set of steps you (or the other players around) have to follow; these need to be repeated within the time limit each time you want to attempt a Heroic. The video above provides a step-by-step breakdown of what you need to do for each Public Event, which should make it easy to identify exactly where to go and what to do. You'll also find the instructions for each Heroic below--be mindful to do everything before the event's time limit expires. For more, check out our roundup of all of our Destiny 2 guides, tips, and news.

Injection Rig Heroic Public Event

Start out by killing a Psion, and then shoot a vent at the top of the rig. Although you'll be taking damage, be sure to destroy it. Kill the next Psion and destroy another vent located in the middle of the rig. Kill a third Psion and then destroy the vent that becomes exposed at the bottom of the rig. You may need to run around the middle in order to see which part of it has opened up to take damage; the first two sets of vents will be present on all sides. This process will cause a boss, Infiltrator Valus, to spawn, whom you'll need to defeat.

Destroy The Arsenal Walker Heroic Public Event

The goal here is to obtain the three Scorch Cannons surrounding the area, each of which is encased in a dome. As usual when dealing with a walker, attack one of its legs until it collapses. This will cause it to drop three Arc Charges, which you'll then need to carry to one of the domes containing a Scorch Cannon. The dome will have a place to deposit the Arc Charge, and you'll need to bring a total of two to each dome to get your hands on the weapon. Eventually, a second walker will be deployed, and you'll have to defeat both of them to finish.

Glimmer Extraction Heroic Public Event

At each of the sites throughout the event, there is a device that is extracting Glimmer. Destroy each of these before eliminating all of the nearby enemies. Then, at the final site, you'll have to guard a pile of Glimmer while standing in a designated area to complete a transmat process. Stay in the area as much as possible, as the transmat has to finish before time runs out.

Cabal Excavation Heroic Public Event

Stand near the drill to make progress, and eventually (once you're somewhere around 30-50% complete), a Cabal Thresher ship will fly in nearby. Do everything you can to quickly destroy it, as it will fly away and return once more, but that's it. If you manage to do so, a Centurion boss will spawn who needs to be defeated to complete the Heroic.

Witches' Ritual Heroic Public Event

Start out by killing a pair of Wizards while standing on the designated circles on the ground. At this point, you'll need to stand on one of the circles and destroy two shards--one is above and to the left of the big portal that enemies are coming through, and the other is above and to the right. This will cause a Hive Knight boss to spawn in; defeat him, and you're all done.

Ether Resupply Heroic Public Event

Before taking out the giant Servitor, quickly kill all of the smaller ones around the area that spawn in. Once they've been dealt with, the main enemy becomes more challenging. Defeat it and you're done.

Taken Blight Heroic Public Event

The initial goal here is to destroy the giant Blight ball, which is immune to regular damage. In order to hurt it, you'll need to obtain the Blight Receding buff by going into the nearby Blight-infested area. Step back outside with the buff and deal as much damage as you can to the big Blight ball. Be sure to step back in re-obtain the buff when it wears off. Once you've destroyed the ball, the Blightmaker boss spawns in, and you'll have to defeat it to complete the Heroic.

Spire Integration Heroic Public Event

In addition to protecting the main conduit, players have to go around and stand on nearby pads; these are close by, with the conduit displaying a visual effect pointing you in the direction of each one. There are three in total that need to be captured, and once that's done, a Hydra will spawn in that needs to be defeated.