Hello Everyone this is the first time i make a guide
First of all for this Boss you need 85 slayer lvl to kill and it counts as abyssal demons task
Once you know the mechanics its a easy boss to do
How to get here teleport
First of all talk to the wizard and select Bosses then you click on Abyssal nexus Teleport
Later when you are teleported there are 4 Rooms for you to choose
Lets start for the stats you will be needing to do this boss
High combat stats. Although not required, see the skill levels below for an indication of the advised stats:
Attack 90 or higher
Strength 90 or higher
Defence 90 or higher
Ranged 90 or higher
Hitpoints 90 or higher
Magic 92 or higher
Its Required that you change to Ancients Spellbook to use the Shadow Barrage to blind the boss
There is a total of 3 phase for this boss and 4 Respiratory systems that you need to destroy before.
Phase 1
Use Shadow Barrage to blind him
Once you blind the Boss attack the Respiratory Systems with ranged
When all Respiratory systems are down the boss will walk down the throne
Time to Pot up super combat pots and AntiVenom++
Phase 2
This phase its very simple and easy
The boss will start attacking with Melee so use protect from Melee and watch out for the poison pool he spawns under your character this pool do constant dmg and you must move atleast 2 tiles away or you will get hit by it.
Once the boss is at half health it will walk down to the middle
Phase 3
Theres 2 stages of this phase but its the same as phase 2
Pray Range in this stage
Phase 3 stage 1
Once the boss walk down the middle he will spawns some minions and the poision pools can be easily avoided by moving left and right. Select two tiles that are within melee range (make sure they're out of the reach of the tentacles)
Once the boss has reach 139 Hitpoints it will start stage 2
Phase 3 stage 2
As soon as the Sire reaches 139 Hitpoints or lower, it will teleport the player to the south, on the western edge of the safe middle zone.
when you get teleported run away from the boss or you will take massive damage
Same strategy attack and move back to avoid the poision pools.
Armour Recommendations from best to least effective
Slayer Mask (I) Black Mask Amulet of torture Amulet of fury Amulet of glory Infernal Cape Fire Cape Bandos Chestplate Justiciar chestguard Barrows Body Fighter Torso Bandos Tasset Justiciar Legs Barrow Legs Dragon Platelegs Arclight-Blowpipe for Respiratory Vents Scythe-Bow of faerdhinen for Respiratory Vents Zamorak Hasta-Crystal Bow for Respiratory Vents Avernic Defender Dragon defender Dragonfire Shield Rada Blessing God Blessing Ferocious Gloves Barrow Gloves Primordial Boots Dragon Boots Guardian Boots Rune Boots Berserker Ring(I) Ring of sufferin(I) Warriors Ring (I)