Zenith of Necromancy

You spend the casting time bathed in the most controversial and possibly darkest form of magic that exists. During the casting time, you gain Immunity to Necrotic damage and Vulnerability to Radiant damage. At the end of the casting time, you choose one of the following effects to occur within range.

     Mass Animate. Choose a point within range that you can see or have seen before. A number of Undead under your control appear within 60-feet of that point. You may create up to 30 Zombies or Skeletons in any combination (ex. 20 Zombies, 10 Skeletons), up to 25 Ghouls, up to 20 Ghasts, up to 15 Mummies, up to 10 Ghosts, or up to 5 Wraiths (all creatures stat blocks appear in the Monster Manual). They are under your control, you can command them all telepathically (no action required), and you can see through all of their senses simultaneously. If the creature moves more to a place that is more than 50 miles away from you, it ceases movement and cannot obey your commands until it is back within 50 miles of you.

     Mass Kill. Choose a point within range that you can see or have seen before. Each creature of your choice within 60-feet of that point must make a Constitution saving throw. A Construct or Undead creature automatically succeeds on this save and a creaturewith 10 hit points automatically fails. If a creature fails this save and has 25 hit points or less, it is reduced to 0 hit points and dies. If it fails and has more than 25 hit points, it takes 5d12 Necrotic damage. If this damage reduces a creature 0 hit points, it dies. A creature killed by this spell cannot be resurrected by magic below below 7th level. If a creature succeeds on this save, it gains the Prone condition as well as the Paralyzed condition, which ends at the beginning of the creature's next turn.

     Mass Resurrection. Choose a point within range that you can see or have seen before. All creatures within 60-feet of this point that have been dead for no longer than 10 years and died of something other than old age are brought back to life. They return to life with 1 hit point and 1d3 levels of Exhaustion. This spell ends the effects of any disease or poison that was affecting the creature before it died. This spell can not create a new body for a creature, but it can regrow body parts and seal fatal wounds. If a creature was Undead or a Construct when it died, this spell has no effect on it.