C'Thun, God of Chaos

Old God

Spellcasting. C'thun is a 8th-level spellcaster. Its spellcasting ability is [Wisdom] (spell save DC 17, +5 to hit with spell attacks). C'thun has following Warlock,Wizard,Bard spells prepared:
Cantrips (at will): Eldritch Blast, Friends, Minor Illusion, Message, Mind Sliver

1st level (10 slots): Cause Fear, Charm Person, Dissonant Whispers, Silent Image

2nd level (8 slots): Hold Person, Suggestion, Crown of Madness, Detect Thoughts

3rd level (5 slots): Tounges, Fear, Speak with Dead, Speak with Plants

4th level (3 slots): Modify Memory, Dominate Person

5th level (2 slots): Transmute Rock

6th level (1 slot): Mass Suggestion

Multiattack. C'thun can take two actions a turn.

Action Melee Attack. Tentacle Slam: +6 to hit, reach 15 ft, 1 target. Hit: 2(d6 + 4) [Bludgeoning] damage.

                                                                                                                                            Bite: +7 to hit, reach 15ft, 1 target. Hit: 2(d8 + 6) [Slashing] damage  

Opportunity Attack. If players leave Tentacle Slam range(15ft), attack with disadvantage.  

C'thun should take 1 legendary action every turn. C'thun will try to cause harm to enemies and drive them mad. If possible, convert them to his side.

The God of Chaos (End of turn). C'thun speak ancient words in the minds of enemies, causing different affects based on the words. Choose a enemy, then roll a d12 to determine what is heard by a specific target

1. "My dreaming ends...your nightmare...begins"- Target must make a DC 21 Wisdom saving throw or become Frightened until the end of its next turn
2. "You are already dead"- Target must make a DC 14 Wisdom saving throw or be reduced to 1 hit point
3. "Your friends will abandon you.."- Target must make a DC 20 Wisdom saving throw, or become Charmed
4. "You will betray your friends"-Target must make a DC 19 Wisdom saving throw, or be forced to attack the closest ally on its next turn, this lasts until it lands a hit.
5. "You are weak"- Target must make a DC 20 Wisdom saving throw, or gain a level of Exhaustion
6. "Your courage will fail"- Target must make a DC 19 Wisdom saving throw, or become Paralyzed for 1 turn
7. "Your heart will explode"- Target must make DC 22 Wisdom saving throw, or take 1d6 Poison and 1d6 Necrotic damage.
8. "Its all fun and games until someone loses and eye"- Target must make a DC 20 Wisdom saving throw, or become Blinded for 2 turns
9. "You..are..doomed"- Target must make a DC 23 Wisdom saving throw, or Stunne] for 2 turns.
10. "We hear all."- Target must make a DC 19 Wisdom saving throw, or become Deafened for 2 turns
11. "We see all"- Target must make a DC 20 Wisdom saving throw, or take 2d8 Physic damage
12. "I...cannot...die"- Target must make a DC 30 Wisdom saving throw, 5d8 Physcic damage, healing C'thun for half as much damage taken.