Okay, that thing's not creepy at all... It's like some kind of awful squid-jellyfish mashup. How can it be flying around? And why does it have a bright spotlight in the middle there? Ew, zero stars -- no thanks!
The Summoner patrols the Rockwell's Innards Biome. They are extremely aggressive when its attention is roused, first teleporting in front of the aggravated survivor with a large scream.
It is accompanied by two other Summoners that can be either green, pink, blue, or yellow. Stepping on a panel of a matching color drops the shields of the respective Summoner. Killing both guards drop the shields of the Macro-Summoner allowing you to kill it for a short time frame, restarting the mini-game once they're back up.
This section describes how to fight against the Summoner.
全般
Summoners float around, patrolling the inhospitable Rockwell’s innards biome, they fly half open so that they produce a spotlight. Whenever a survivor is daring enough to go into the search light the summoner will enter attack mode. When in ‘attack mode’ the summoner will fire projectiles at the target BUT while doing so it will be completely invulnerable. Sometimes the summoner fires a globular projectile onto the ground. This projectile summons a set of fleshy creatures that fight along side the summoner. The summoned creatures vary from Brontosaurus to Purlovia.
Commonly after using an attack or after a set period of time, the Summoner drops its shield and becomes vulnerable. The shield will either reactivate over time or once a damage threshold of 25% is met. This means it will always activate its shield at 75%, 50%, and 25% health. These damage thresholds can't be bypassed, meaning that a low-level Summoner can take as long to kill as a high-level Summoner.
Whenever mutagen is picked up in the biome, 2 max-level summoners are spawned to attack the culprit.
Strategy
It's highly advised to avoid them at all costs. If you are caught in a Summoner's spotlight the best thing you can do is run but be prepared to take on the summoner’s creatures. Shooting their summoning projectile before it lands can prevent their summons from spawning. If you have long-range weapons available, you can fight it off, but since it takes a while due to its shielding mechanics, it's ill-advised unless you're miraculously able to handle all of the other hostiles in the area.
武器
It’s advised to take a high end fire arm like a Pump-action shotgun or Tek rifle to deal with the summoned creatures
危険
While the Summoner's attack projectile can be dodged (but still hurt if it hits), the biggest danger lies with the creatures it summons with. The projectile cannot be intercepted (it seems it can be shot down with certain weapons though?), and spawns several creature upon impact after a few second, ranging from almost every creature, and including dangerous creatures such as Basilisk. All summoned creatures retain their abilities (like Bloodstalker's grappling hook at hostile targets), making it more difficult to deal with.
Adding Macrophage, the random aggressive Tentacles that appears at ground, and R-Reaper King to the list of roaming creatures makes fighting Summoner even more dangerous due to their debilitating effect (Macrophage deny all run and Tek super speed from Tek Leggings if they get too close).
弱点
Summoner's shield drops every now and then, making it vulnerable to being attacked. Killing the Summoner also kills off every creature that was summoned by that specific Summoner. Outside of its summons, the Summoner's damage output is not that high.
It has a similar design to the Sentinels of the Matrix film series, gigantic robots tasked to search and destroy humans.
In the Genesis: Part 2 Teaser Trailer, the Summoners are teased alongside a similar yet smaller Creature that can be seen within the Genesis: Part 2 keyart.
Summoners can be force tamed
The summoner has three ‘modes’
Attack mode- when the summoner is completely open
Search mode- when the summoner is partly opened and projecting a spotlight
Mobility mode- only achieved through force taming and riding the summoner, gives increased manoeuvrability.
The summoners shields periodically lowers allowing the player to attack them
There is a "Macro" summoner in the mission "choose your own adventure" the Macro-Summoner acts as the final boss of the mission, towering over other summoners in size.
豆知識
The Summoner is another Creature designed by Rockwell to exist on the Genesis Ship.
HLN-A speculates that they are part of Rockwell’s immune system, some sort of over grown Lymphocyte.
Region 0:
HLN-A
mission, physically towering other Summoners in size, shielded from all damage.
体力
スタミナ
酸素量
食料
重量
近接攻撃力
移動速度
気絶値
Bloodstalker's grappling hook at hostile targets), making it more difficult to deal with.
Macrophage, the random aggressive Tentacles that appears at ground, and 
R-Reaper King to the list of roaming creatures makes fighting Summoner even more dangerous due to their debilitating effect (Macrophage deny all run and Tek super speed from 
Tek Leggings if they get too close).
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