This article covers the chances of certain items appearing on Helm Doors, and their counts depending on the difficulty you select.

Easy

• Blueprints: 20% chance of being selected. Requirement: between 5 -> 15
• Medals: 20% chance of being selected. Requirement: between 5 -> 10
• Crowns: 6% chance of being selected. Requirement: between 1 -> 3
• Fairies: 18% chance of being selected. Requirement: between 1 -> 5
• Rainbow Coins: 18% chance of being selected. Requirement: between 3 -> 5
• Pearls: 18% chance of being selected. Requirement: between 2 -> 3

Medium

• Blueprints: 20% chance of being selected. Requirement: between 7 -> 25
• Medals: 20% chance of being selected. Requirement: between 7 -> 25
• Crowns: 10% chance of being selected. Requirement: between 2 -> 4
• Fairies: 14% chance of being selected. Requirement: between 3 -> 7
• Rainbow Coins: 15% chance of being selected. Requirement: between 4 -> 8
• Bean: 1% chance of being selected
• Pearls: 20% chance of being selected. Requirement: between 2 -> 4

Hard

• Blueprints: 18% chance of being selected. Requirement: between 10 -> 30
• Company Coins: 5% chance of being selected. Requirement: between 1 -> 2
• Medals: 18% chance of being selected. Requirement: between 10 -> 20
• Crowns: 10% chance of being selected. Requirement: between 3 -> 6
• Fairies: 15% chance of being selected. Requirement: between 5 -> 10
• Rainbow Coins: 14% chance of being selected. Requirement: between 6 -> 10
• Bean: 5% chance of being selected
• Pearls: 15% chance of being selected. Requirement: between 3 -> 4