Aetherial Guardian, Olistene

Aetherial Guardian, OlisteneStatistics

Drops

* Item **(Quantity)****Rate**
* Compressed Mana (15-25 / **25-35**)100%
* At least one of the following 5 weapons will always drop:
* StarspiteStarspite25% / **33.33%**
* Stardust CannonStardust Cannon25% / **33.33%**
* Abyssal SkyAbyssal Sky25% / **33.33%**
* Astrosphere StaffAstrosphere Staff25% / **33.33%**
* Incandescent Nox25% / **33.33%**
* Olistene TrophyOlistene Trophy10%
* Caelus (Lore)Caelus (Lore)(Always on first kill)100%

SoundsHurt
Killed
Dash
Mine Spawn
Mine Explosion
Incandescent Light Spear
Incandescent Light Spear Split
Slash
Light Sphere Spawn
Light Spear
***Map Icon***
**Aetherial Guardian, Olistene** (Japanese: イセリアルガーディアン オリステネ *Iseriarugādian orisutene*) is a boss that is intended to be fought shortly before the first mechanical boss.

Defeating her will allow the Radiant Paladin Town NPC to move in.

## Spawn

Aetherial Guardian, Olistene does not spawn on her own, and requires the player to summon her manually by inserting a Rotting Eyeball into the Luminous Altar found near the center of Caelus.

## Behavior

The Boss will fly around the player and use a variety of attacks.

### Attacks

* Flies around the player for 3 / **1.5** seconds.
* Dashes directly at the player while creating a series of mines in her direction that will explode into three evenly spaced Light Bolts after 3 / **2** seconds.
* Throws an Incandescent Light Spear at the player, which will split into 4 / **6** smaller homing spears after 1.5 seconds.
* Attempts to get close to the player while making short ranged Slashes.
* Creates a Lightning Orb that will fire 3 / **2** bolts of lightning towards the player.
* Launches 3 / **4** Light Spheres that will orbit the player then explode into four slow moving Light Blots in a cross pattern.
* Dashes directly at the player and creates a Light Portal, the portal will spawn a variety of enemies until killed.
	+ The Boss will stop attacking the player while a portal is active.
	+ When a portal is killed, all enemies it spawns will be killed with it.

### In Expert Mode

* Creates a spread of Light Spears every **1** / **0.75** / **0.5** seconds while flying around the player.
* When a Portal is killed, it will explode into **6** / **8** / **14** evenly spaced Light Bolts.

### In Revengeance Mode

* Portals will create an even spread of 5 Light Bolts every **2.5** / **2** seconds.
* She will launch two Lightning Orbs perpendicular to the player instead of one.

## Summons

Light PortalFile:Light Portal.pngStatistics

SoundsHurt
Killed
Enemy Spawned
Light Bolt
Light ClusterFile:Light Cluster.pngStatistics

SoundsHurt
Killed
Light FloaterFile:Light Floater.pngStatistics

SoundsHurt
Killed
Light PodFile:Light Pod.pngStatistics

SoundsHurt
Killed
Light SlimeFile:Light Slime.pngStatistics

SoundsHurt
Killed

## Aftermath

* The Radiant Paladin will begin to arrive if provided suitable housing.
* The Luminous Altar will become mineable.

## Tips

*For elaborate strategies on defeating Aetherial Guardian, Olistene, including Weapon and Arena recommendations, see Guide:Aetherial Guardian, Olistene strategies.*
## Trivia

* The theme heard while fighting Aetherial Guardian, Olistene is **Boss 1 (Otherworldly)**.