Main Story/Rust Dragon

Minimum level: 88
Story: This land has been ravaged by the Rust Dragon. The mines where it once lived are seriously corroded and can no longer yield precious metals. The Rust Dragon, it is said, loves sulfur. Some say it was born in Eeofol, but there's no known proof of any connection with the Kreegan.
Chest rewards:
* 15 Stars - 50, 15 50K, 5000
* 30 Stars - 50, 20 80K, 8000
* 45 Stars - 500, 25, 100K, 10K
Side Quests: 300, 10x Orc tokens, 20x
=Side Quests=
* Pile of Supplies: 15x, 15x, 15x, 15x, 100K
* Goblin: 5x Goblin tokens
* Skeleton Gate Keeper: 5
* Vampire Blocking the Way: 5
* Black Knight: 5
* Death Lich: 5, 30
* Bone Dragon: 1 5x
* Magic Shrine: 60 OR 2
==Hidden Chests==
=Marletto Tower=
I can't believe you've come this far. I wish we could go farther.
After clearing Stage 23-10, Marletto Tower is revealed. Winning the challenge has 4 grades, each with a Hero stat bonus:
*C grade - 📚 Hero Knowledge +2
*B grade - 📚 Hero Knowledge +2
*A grade - 📚 Hero Knowledge +3
*S grade - 📚 Hero Knowledge +3
For the total of 📚 Hero Knowledge +10, you need to finish the challenge in under 60s, without losing any unit and with over 70% HP left.
=Stages=
Each stage win rewards an additional , to their respective materials.
==Stage 23-1==
==Stage 23-2==
==Stage 23-3==
==Stage 23-4==
==Stage 23-5 🏰==
==Stage 23-6==
==Stage 23-7==
==Stage 23-8==
==Stage 23-9==
==Stage 23-10 🏰==
==Stage 23-11==
==Stage 23-12==
==Stage 23-13==
==Stage 23-14==
==Stage 23-15 🏰==