[The Strongest Shadow Dragon] Omega Shenron can be obtained through Dokkan Festival.
Causes immense damage to enemy and greatly lowers DEF
"Shadow Dragon Saga" Category Ki +2 and HP, ATK & DEF +120%;or Type Ki +2 and HP, ATK & DEF +40%
ATK +100%; all enemies' ATK & DEF -15%; launches an additional attack which has a rare chance to become a Super Attack
[Crashing Maelstrom] Omega Shenron