Myrcia (Uber Rare Cat)

"503" is an Uber Rare Cat found in the Galaxy Gals gacha pool. she was added in the 8.9 update and is the first non epicfest uber which is capable of affecting white enemies, this is also the first unit that receives invincibility which totally negates damage from a given trait

Cat
Evolves into "502-2" at level 10

Pros

 * 30% chance to negate the damage from traitless enemies
 * Multi-hit
 * Does a wave on the second hit
 * Fast cooldown

Cons

 * low range
 * a bit expensive for her stats
 * Because the wave occurs on the second hit it might miss

Cost

 * Chapter 1: 2840
 * Chapter 2: 4260
 * Chapter 3: 5680

Reference
https://twitter.com/Ketron_/status/1166207705612091393