Knocking out either Dusclops or Dusknoir allows you to place damage counters on one of your opponents Pokmon, setting up early KOs and enabling cards like Counter Catcher without losing any attackers
Smee, Bumbling Mate Uncommon 185 Mufasa, Champion of the Pride Lands Rare 186 Nala, Fierce Friend Uncommon 187 Pyros, Lava Titan Rare 188 Razoul, Palace Guard Common 189 Robin Hood, Beloved Outlaw Common 190 Robin Hood, Champion of Sherwood Legendary 191 Sheriff of Nottingham, Corrupt Official Super Rare 192 Simba, Fighting Prince Super Rare 193 Simba, Rightful King Uncommon 194 Thaddeus E
Players use Event Stamina to participate, which regenerates at a rate of one gem every 12 hours
Take a look: I collected box scans of every iteration of the promotion, covering all possible brands and sizes
Additionally, if you would like to try a pair out, visit our stores in Singapore and Japan