Argos

Levitate. The argos can levitate, allowing it to fly at a speed of 30 feet. Its flying speed is very slow.

Eye Array. The argos has multiple eyes, each with unique powers. It can bring 1d10 of its smaller eyes to bear on any target. Each ability of the eyes is treated as a spell effect with a caster level equal to the argos's Hit Dice.

Swallow Whole. If the argos rolls a natural 20 on an attack, it can swallow the victim whole. The swallowed victim takes 2d8 acid damage each round from the creature's digestive juices. The victim can attempt to escape by inflicting 8 points of damage from within using short cutting weapons.  

Multiattack. The argos can make up to three attacks with its pseudopods or use its pseudopods to enfold and attack multiple victims.

Pseudopod. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 20 (3d8 + 5) bludgeoning damage.

Eye Powers. The argos can use the following powers from its eye array:

1. Blindness. Target must make a DC 17 Constitution saving throw or be blinded for 1 minute.
2. Burning Eyes (Hands). The target takes 4d6 fire damage on a failed DC 17 Dexterity saving throw or half as much on a successful one.
3. Charm Monster. Target must make a DC 17 Wisdom saving throw or be charmed for 1 minute.
4. Clairvoyance. The argos gains the ability to see and hear a location within 1 mile for 10 minutes.
5. Confusion. Target must make a DC 17 Wisdom saving throw or be affected by a  confusion spell for 1 minute.
6. Darkness, 15' Radius. The argos can cast darkness in a 15-foot radius centered on a point it can see within 60 feet.
7. Dispel Magic. The argos can cast dispel magic with a caster level equal to its Hit Dice.
8. Emotion. Target must make a DC 17 Wisdom saving throw or be affected by an calm emotions spell.
9. ESP. The argos can cast detect thoughts with a caster level equal to its Hit Dice.
10. Fumble. Target must make a DC 17 Wisdom saving throw or fumble its next action.
11. Gaze Reflection. The argos can reflect the gaze attacks of creatures targeting it within 60 feet, causing them to affect the originator instead.
12. Heat Metal. The argos can heat metal as the spell.
13. Hold Monster. Target must make a DC 17 Wisdom saving throw or be paralyzed for 1 minute.
14. Improved Phantasmal Force. The argos can cast an improved version of phantasmal force with a caster level equal to its Hit Dice.
15. Irritation. Target must make a DC 17 Constitution saving throw or be incapacitated for 1 round due to intense itching and discomfort.
16. Light. The argos can cast light at will.
17. Slow. Target must make a DC 17 Wisdom saving throw or have its speed halved and take a -2 penalty to AC and Dexterity saving throws for 1 minute.
18. Suggestion. Target must make a DC 17 Wisdom saving throw or be charmed and follow the argos's suggestion for 8 hours.
19. Tongues. The argos can cast tongues on itself or another creature within 60 feet with a caster level equal to its Hit Dice.
20. Turn Flesh to Stone. Target must make a DC 17 Constitution saving throw or be petrified.

Focused Gaze. The argos can use its large central eye to focus on targets in front of it (within 90 degrees of the "straight-ahead point" of the central eye) and gain advantage on attack rolls against them until the start of its next turn.