Special Trait Name. End of all Endings.. When Abaddon is killed, he inflicts one final act of vengeance on all those around him. All creatures and objects within 20 miles of Abaddon suffer 50 damage, with a DC 20 Dex save for half. Those within 1 mile of Abaddon instead suffer 25 damage with the same save.

Infest.. Any creature moving within 10ft of Abaddon must make a DC 15 Con save or suffer the Poisoned Condition for 1 min. if a creature passes this save they are immune to the effect of Infest for 24hrs..

Spellcasting. [Abaddon] is a 8-level spellcaster. Its spellcasting ability is [CHA 20] (spell save DC  + to hit with spell attacks).  [Abaddon] has following spells prepared:

• guiding bolt inflict wounds Blight insect plague  [/spell] blade barrier[/spell] [/spell]sun burst [/spell]
•  sunbeam 

Melee Weapon Attack Blade of the Wicked. Melee Weapon Attack: +10 to hit one target 4d8+10

Action Ranged Attack. Unmend.. Ranged Attack: +10 to hit, 40ft, one target. on Hit Deal 4d6 Necrotic damage, and the character must make a DC 18 Con save or take another 2d6 Necrotic damage as they watch a small portion of there body dissapear into nothingness (like a part of there arm, leg, part of there side etc)if they are hit in the same limb with this 3 times. the limb is lost, and can only be recoved with powerful healing magic.

Salted Earth. . (Recharge 5-6): 15ft Radius around Abaddon, all creatures must make a DC 18 Constitution saving throw or take 4d12 Necrotic Damage, Abaddon regains hitpoints equal to the amount of damage done. The area around them is flooded in a wave of necrotic energy sucking the life out of all things within. any plants or small wildlife are turned to dust, and the land becomes infertile in the area affected.

Reaction Name. 

Abaddon has 3 Legendary Actions

Legendary Action Name (Costs # Actions). Hunger for Destruction (1 Action). Abaddon can use any one of his Actions

Prayer For Plagues (2 Actions). Abaddon inflicts the effects of "Infest", the Target cannot be immune to this effect even if they passed the previous check.

Alter Reality (3 Actions). Abbadon can change one piece of equipment in the room to his advantage such as turning a sword into a wooden sword this effects last till the end of the round 

Enter the description for how mythic actions work for your monster here.

Mythic Action Name (Costs # Actions). Enter the description for your mythic action.