Anti Titan: Muto Prime

Echolocation. Muto Prime can't use her blindsight if she is deafend. 

Advanced hearing. Muto Prime has advantage on perception checks relying on hearing. 

Area of Influence. Muto has an antimagic field with a 3 mile radius centered on it, and it can additionally suppress artifacts.

Legendary Stomach. Muto's stomach acid can dissolve artifacts.

Hardend Exoskeleton. Muto Prime reduces all damage taken by 20.

Colossal. Muto Prime's size is one size larger than gargantuan.

Siege Monster. Muto Prime deals three times damage to buildings and objects. (Including Earthquake cast by Ground Slam)

Titan power. Muto Primes attacks count as magical in order to overcome resistances. 

Legendary Resistance (5/Day). If Muto fails a saving throw, it can choose to succeed instead.

Multiattack (female). Muto makes two Claw attacks and two big Claw attacks. It can replace any claw attack with a ground slam.

Claw Attack. Melee Weapon Attack: +18 to hit, reach 20 ft., 1 target. Hit: 55 (7d10 + 20) slashing damage.

Big Claw Attack. Melee Weapon Attack: +20 to hit, reach 25 ft., 1 target. Hit: 65 (9d10 + 20) slashing damage. If hit, a target must make a DC 26 save or take 40(6d10+10) thunder damage and be knocked 20 ft. away and prone, or take half damage on a success and not be knocked away or prone.

Ground Slam. Muto Prime casts Earthquake centered on her, as she slams her arms into the ground. She requires no spellslots nor any components to cast the spell. Her spellsave DC for the spell is 26. The radius of the spell is increased to 300 ft. and there are 3d10 fissures that open.

Sonic Roar (recharge 5 6). Muto Prime roars, forcing all creatures in a 100 ft. cone to make a DC 26 constitution save or take 200(20d10+100) thunder damage or take half the damage on a success.

Muto can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. Muto regains spent legendary actions at the start of its turn.

Earthquake(1 Action). Muto makes a ground slam.

Big Claw (1 action). Muto makes a big Claw Attack. 

Sonic Roar (3 actions). Muto Prime recharges her sonic roar and uses it.