Beta Titan: Mothra

Godzilla's Spouse. Mothra will only bow to Godzilla.

Energy Dispersal. Mothra will give upon her death all allies stored energy of their respective element, as much as their max hp amount. 

Legendary Resistance (3/Day). If Mothra fails a saving throw, it can choose to succeed instead.

Multiattack. Mothra attacks twice with her silk shots or twice with her claws.

Claw Attack. Melee Attack: +10 to hit, reach 30 ft., 1 target. Hit: 20 (2d10 + 10) [slashing] damage. 

Silk Shot. Ranged Attack: +10 to hit, range 600/900 ft., 1 target. Hit: 10 (1d10 + 5) [bludgeoning] damage. If an attack hits, the enemy is restrained and musst succeed a dc 20+*number of silk bindings* strength save on the beginning of its turn to free itself.

Stinger (recharge 3 4). Melee Attack: +15 to hit, reach 30 feet ft., 1 target. Hit: 40 (4d10+20) [piercing] damage.

Godray (recharge 5 6).  Mothra releases blinding light, which forces everything in a 300 foot radius to make a dc 22 con save, or be blinded and stunned for two rounds. Furthermore, it causes violent winds that dispears any clouds in a 3 mile radius.

Mothra 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. Mothra regains spent legendary actions at the start of its turn.

Fires Silk (Costs 1 Actions). Makes one Silk shot attack to enemy in range.

Supportive Energy surge (Costs 2 Actions). Gives all allies of Mothra 10 stored energy.