Shurima
6 champions. Shurima Star Crystals, Nova Crystals and Gemstones upgrade the constellations of 5 of them.
Gold ring = upgrades with Shurima crystals and Gemstones.
Shurima Star Crystals adventures ≈ 59 · each champion needs 50
- 3★ Daughter of the Void 3★ World #4 · clear with a Bilgewater champion
Silver Star Vessel - 3.5★
The Colossus 3.5★ World #4 · clear with a Bilgewater champion Silver Star Vessel - 3.5★
The Ancient Fear 3.5★ World #9 · clear with a Runeterra champion 
Gold Star Vessel - 3.5★ The Grand Heist 3.5★ World #9 · clear with a Runeterra champion Gold Star Vessel
- 5★
The Frost Witch 5★ World #7 · clear with a Bilgewater champion Gold Star Vessel - 10★
With Friends Like These... 10★ Nightmare #18 · clear with a new champion Gold Star Vessel
Legend Levels 76 and 94 also give a Shurima Gold Star Vessel. All Legend Level rewards.
Shurima Nova adventures ≈ 2.5 · each champion needs 1
- 10★ With Friends Like These... 10★ Nightmare #5 · clear with a new champion 1 Nova Crystal
- 10★ With Friends Like These... 10★ Nightmare #19 · clear with a new champion
50 Nova Shards
Shurima Gemstones adventures ≈ 350 · each champion needs 1000
- 10★ With Friends Like These... 10★ Nightmare #39 · clear with a new champion
Major Gemstone Vessel - 10★ With Friends Like These... 10★ Nightmare #50 · clear with a new champion 100 Gemstones
Gemstone Vessels also come from the Glory Store (pick Shurima), the Emporium and Legend Level 74; regional Gold Star Vessels from the Glory Store and Legend Levels. All sources.
Rewards your Shurima champions can claim
Adventure rewards that need a Shurima champion to clear the adventure.
- 2.5★
The Glorious Executioner 2.5★ World #7 · clear with a Shurima champion 
Platinum Vault - 2.5★
Blossoms and Mushrooms 2.5★ World #8 · clear with a Shurima champion Platinum Vault - 3★ Daughter of the Void 3★ World #2 · clear with a Shurima champion
Gold Vault - 3★ The Collector of Souls 3★ World #4 · clear with a Shurima champion Silver Star Vessel
- 3★ The Dragonsire 3★ World #2 · clear with a Shurima champion Silver Star Vessel · random region
- 3★ The Tidecaller 3★ Blossom #1 · clear with a Shurima champion
100 Spirit Blossom Teemo Fragments - 3.5★ The Ancient Fear 3.5★ World #11 · clear with a Shurima champion Gold Star Vessel
- 3.5★ The Grand Heist 3.5★ World #11 · clear with a Shurima champion Gold Star Vessel
- 3.5★ The Bounty Hunter 3.5★ Teamfight #3 · clear with a Shurima champion Gold Vault
- 4★ The Star Forger 4★ World #6 · clear with a Shurima champion Silver Star Vessel
- 4★
The Starry-Eyed Songstress 4★ Blossom #3 · clear with a Shurima champion 25 Nova Shards - 4★ The Starry-Eyed Songstress 4★ Blossom #9 · clear with a Shurima champion 10 Star Crystals
- 4.5★
The Wuju Bladesman 4.5★ Rogues #3 · clear with a Shurima champion Gold Vault - 5★ The Frost Witch 5★ World #16 · clear with a Shurima champion Gold Star Vessel
- 5★ The Ruined King 5★ Nightmare #3 · clear with a Shurima champion
20 Wild Fragments - 6.5★ The Grand Heist 6.5★ Rogues #3 · clear with a Shurima champion Gold Vault