A Colossal Discovery Step 1 of 4:
- Catch a Regirock, Regice or Registeel from a raid – 3000 XP
- Catch 7 Rock-type Pokémon – Cranidos reward
- Evolve 7 Rock-type Pokémon – Tyranitar reward
Rewards for completing Step 1: 3x Golden Razz Berry, x3000 Stardust, x10 Great Ball
A Colossal Discovery Step 2 of 4:
- Catch a Regirock, Regice or Registeel from a raid – 3000 XP
- Catch 7 Ice-type Pokémon – Lapras reward
- Evolve 7 Ice-type Pokémon – Abomasnow reward
Rewards for completing Step 2: 1x Sinnoh Stone, x3000 Stardust, x10 Great Ball
A Colossal Discovery Step 3 of 4:
- Catch a Regirock, Regice or Registeel from a raid – 3000 XP
- Catch 7 Steel-type Pokémon – Shieldon reward
- Evolve 7 Steel-type Pokémon – Steelix reward
Rewards for Step 3: 1x Unova Stone, x3000 Stardust, x10 Great Ball
A Colossal Discovery Step 4 of 4:
- Take a snapshot of Regirock – 3000 XP
- Take a snapshot of Regice – 3000 XP
- Take a snapshot of Registeel – 3000 XP
Rewards for Step 4: Regigigas encounter, 10 Regigigas Candy, event exclusive Avatar pose