Mysterious Room/1E

Monsters:

Wave 1:

• Polar Polyp x3
• Frozen Shambler x4 (last through waves unless defeated, the room can be "completed" if they are left alone)

Wave 2:

• Silversap x2
• Silkwing x2
• Grinchlin Scorcher

Wave 3:

• Icy Mortafire
• Lichen x3
• Giant Lichen Colony

Exploration entities:

• Rocket Block (Regular and Fire rockets)
• Wheel Launcher (third wave)

Monsters:

Wave 1:

• Chilling Howlitzer x3
• Frozen Shambler x4

Wave 2:

• Silversap x2
• Humbug
• Silkwing x2
• Grinchlin Scorcher

Wave 3:

• Silkwing
• Grinchlin Stalker x2
• Icy Mortafire
• Grinchlin Thwacker x3
• Chilling Howlitzer x3

Exploration entities:

• Monster Door

Monsters:

Wave 1:

• Slush Puppy x4
• Ice Cube x4
• Snow Drop x8

Wave 2:

• Silversap x4
• Slush Puppy x4
• Grinchlin Scorcher x2
• Grinchlin Thwacker x4

Wave 3:

• Silversap x4
• Icy Mortafire x2
• Frozen Deadnaught x3

Exploration entities:

• Explosive Block (respawning)
• Ghost Block (respawning)
• Misery Block (respawning)

Monsters:

Wave 1:

• Slush Puppy x2 (last through waves unless defeated)
• Grave Scarab x10
• Polar Polyp x4

Wave 2:

• Slush Puppy x2 (4 total, if previous two were not defeated)
• Grinchlin Scorcher x2
• Grinchlin Thwacker x3

Wave 3:

• Grinchlin Stalker x2 (3?)
• Freezing Bombie x4
• Frozen Shambler x4

Exploration entities:

• Monster Door
• Misery Block