Mining and prospecting mechanics

You can insert Runes into gray items with sockets in order to create powerful runeword items. Runes need to be inserted in the right order; You can find all the runewords in the journal´s Runewords tab.

You can find Chaos Pillars in the overworld areas. These pillars can spawn as Common / Superior / Rare / Mythic / Satanic / Angelic. The higher rarity the pillar is, the more affixes it gives. Once you activate the pillar, it will collapse and spawn a pack of monsters with the pillars modifiers. You can obtain Chaos Keys as random drops from killing monsters!

Once you find a Bifröst Key you can visit Astral Encampment (Act 7 town) to access Bifröst. In Bifröst you meet Heimdall who will grant you two randomly picked choices. Once chosen, enter the Bifröst device behind Heimdall to travel into the destination!

Unstable Rifts can spawn into the overworld areas. Entering a rift can send you inside a Chaos Tower, or into a random dungeon or into an unstable version of the area you entered in. Unstable areas have a chance to drop Unstable Dust from monsters when killed.

Eternal Battle Field can randomly spawn into the overworld areas. Going close to the portal it will activate, growing larger and larger spawning legions of monsters. These monsters can drop Battle Fragments, which can be used to enter a cleared portal to travel into the Eternal Battlefield.

Shadow Realm can randomly spawn into the overworld areas. Entering the portal will take you to Shadow Realm where you can obtain Dimensional Shards from monster kills, buy items from the black market (Veras) or enter the portal using Dimensional Shards to fight against Shadow Reaper.

Chaos Towers can randomly spawn into the overworld areas. Entering the tower will take you into the tower´s lobby where you can start the tower. Once in the first floor, you will be granted a buff and a debuff of your choice. At the last floor, you will claim your drop buffs and exit the tower or use Colosseum Fragments to enter the colosseum in order to fight against King Rakhul.

Wormholes are timed areas where you can limit test your character. When you kill all the monsters and go towards the pentagram a boss will spawn. After beating the boss, gain all the items from monsters killed as a loot explosion. You can decide to upgrade your wormhole to make it harder, the faster you cleared the more levels you gain. Wormhole also has global rankings and at certain thresholds you will be eligible for seasonal rewards which range between different types of cosmetics!

On Hell+ difficulty you can use Dungeon Keys to start a challenge at a specific dungeon. Talk to Lady Sonya outside the dungeon in order to activate it, after entering and clearing the dungeon you will be rewarded with a big treasure chest.

Once you find an Angelic Key you can visit Dawn´s Chapel (Act 6 town) to access the Angelic Realm by talking to St. Peter. In the angelic realm you can choose a random chest augment or the augment of your choice if you spend more keys when entering the left side gate. On the right side gate you can upgrade the augments level up to level 7. Bare in mind that you require the same amount of keys as the augments current level in order to upgrade it. From monster kills, only monsters with the “Fallen Angel” affix can drop Angelic Keys.

Unholy Siege is a mystic structure which activates when approached. The portal will spawn monsters and trigger a random event with various kinds of possible rewards. Monsters from unholy siege can drop tarot cards.

Approach the cursed altar to summon cursed spirit. The spirit will move around the map spawning monsters when it reaches its destination, killing the monsters and popping its pustules gives the cursed spirit more life time. After clearing the monsters the spirit will seek a new location to spawn monsters in. Each wave cleared increases the loot explosions loot amount and magic find for each roll.

Detonate levers in order to open locks on the chest. You can claim the chest at any time after the first lock, activating the chest spawns a pack of monsters which power is determined by the amount of locks. More locks means more rewards but more risk!