I'd Rather Be Surfing

Monster(s): Skiter (guns); Ghast (guns); Sentinel (Green Crystal)

Saving Zone(s): 2
Close to N center
Center

Ladder(s): 2
SW of NE corner: down to Warning: Earthquake Zone!
Between W center and Center: up to Lasciate Ogne Speranza, Voi Ch'Intrate

Objectives:
Clear Blue Healing Potion: NE of the S center
Dead Cuban Soldier(AK-47): Suffocation Chamber/near NE corner

Problem(s): Suffocation Chamber
Solution(s): Red Cloak & Patience (3 hours) (Remember to remove it afterwards)
                    Time to mass produce ammunitions!