THE VAULT OF PANDORA
This spawns in your world , and lies within a small Demonite/Crimtane brick chamber located in the center of the world deep under the earth. There you find a ominous Vault. In Hard mode you can Craft a Ancient Keystone (no craft in recipe yet) , after opening the Vault. Tremors and flash of lights happen as the Vault open.
Keystone
Opened Vault-
After the opening a text appears
You Have Damned Reality ...
Chaos wreaks havoc on the surface...
Note: This spawn sequence would work similarly to initiating a lunar event, The vault re spawn in the chamber if you die in the fight, logout or finish the fight.
BOSS ENCOUNTER:
The encounter consists of four dragons Brood,Infurion,Helios and Xalaneth. All bosses share the same stats but individually have 2 sets of different abilities.
All Bosses have the following stats
Life
Defense
Damage
KB Resist
BROOD- The Vile
Ability 1: Brood sends forth groups of carrion swarms, coming in contact with them makes the player suffer damage in quick succession ignoring invincibility frames.
Ability 2: She Belches out Pestilent Bile , homing and exploding on contact inflicting "Wandering Plague"
INFURION- The Sundered
Ability 1: Infurion furiously flaps his wings causing a rain of meteors, upon tile contact they spill out fire that lingers on the ground.
Ability 2: Charges at the target causing flame torrents to shortly follow
HELIOS- The Unforgiving
Ability 1: Helious spawns in 2-3 small Storm clouds that drizzle a stream of damaging rain, occasionally firing thunder bolts at players, lasts for a short duration
Ability 2: Helious conjures a orb of plasma standing in place he unleashes a barrage of lighting at the target.
XALANETH- The Mad
Ability 1: Xalaneth will always spawn clusters of Void Stars around her to protect her from up close combat, upon contact Void stars will deal heavy damage and cause"Distorted" Debuff
Ability 2: Xalaneth breaths shadows causing a group of Nether Orbs to hunt the player detonating if killed.
NOTE:
I don't want a wall of text crowding the page so I'm gonna post drops and items in a little bit to space out the stuff.
All bosses inflict their respective debuff
Wandering Plague
Player suffers a 5 damage tick for 30 seconds. If the afflicted is near other targets wandering plague can also spread to those targets.
Immolate
Players armor is melted by the heat and is scorched causing a 5 damage tick and -25% defense.
Storm Shock
Player suffers a 5 damage tick , the electrical surge in their bodies also debilitating movement speed by 20%.
Consuming Darkness
Player suffers a 5 damage tick, the void energy disintegrates your strength weakening you making you deal 10% less damage.