===== Crystals of Enhancement =====

A **Crystal of Enhancement** is a consumable that grants a //+N// passive skill bonus to a piece of equipment when targeted at it. Each crystal carries one of thirty-five skill attributes and one of five intensity values (+1 through +5).

===== Crystal Properties =====

When a crystal is generated as loot, the following properties are rolled:

  * **Appearance**: hue ''2747'', item graphic ''0x1F1C''.
  * **Name**: "A Crystal of Enhancement". The specific skill is shown on the item's property list, not in the name.
  * **Attribute**: a random pick from the 35 supported skill attributes.
  * **Intensity**: a random integer from +1 to +5.
  * **Break behaviour**: whether the crystal can break, and its break chance, are derived from the intensity (see table below).

==== Break Chance by Intensity ====

The break chance is rolled at crystal creation from the following ranges:

^ Enhancement Amount ^ Can Break ^ Break Chance ^
| +1 | No | 0% (will not break) |
| +2 | Yes | 1% – 7% |
| +3 | Yes | 7% – 20% |
| +4 | Yes | 20% – 25% |
| +5 | Yes | 20% – 30% |

When the crystal is applied, a roll from 0–99 is compared against the crystal's break chance. If the roll is at or below the chance, both the targeted item and the crystal are destroyed.

==== Existing Crystals Re-Rolled on Load ====

Older crystals that were previously created with a non-zero break chance have their break range refreshed using the table above the next time they load.

===== Skill Attributes =====

The 35 supported skill attributes are:

^ Attribute ^ Attribute ^ Attribute ^
| Magery | Spirit Speak | Evaluating Intelligence |
| Swordsmanship | Tactics | Animal Taming |
| Animal Lore | Anatomy | Parrying |
| Bushido | Archery | Mace Fighting |
| Fencing | Healing | Veterinary |
| Musicianship | Provocation | Discordance |
| Peacemaking | Chivalry | Focus |
| Necromancy | Stealing | Stealth |
| Ninjitsu | Spellweaving | Arms Lore |
| Blacksmithy | Tailoring | Tinkering |
| Bowcraft | Inscription | Alchemy |
| Throwing | Mysticism | |

===== Application =====

Double-click a crystal in your backpack and target a piece of equipment to apply it.

==== Pre-flight Checks ====

Before any bonus is applied, the following must be true:

  * The crystal must still be in your backpack. Otherwise: //"The crystal of enhancement must remain in your backpack to use it."//
  * The target must be an enhanceable item. Otherwise: //"This item cannot be enhanced."//
  * The item must not have its enhancement ability disabled.
  * The item must not have reached its enhancement maximum. Otherwise: //"This item has already met it's enhancement maximum."//

==== Eligible Target Types ====

Crystals can be applied to:

  * Armor
  * Shields
  * Jewelry
  * Talismans
  * Clothing
  * Weapons

Targeting anything else produces a per-skill rejection message (for example //"You cannot apply magery to that item."//).

==== Skill-Slot Assignment ====

Each eligible item has five skill-bonus slots. The crystal fills the first empty slot with its skill and amount. If all five slots are already filled, you see //"There are no skill slots available on this item."// and the crystal is not consumed.

==== Equipment Must Be in Your Pack ====

The item being enhanced must be in your backpack. Otherwise: //"The equipment must be in your backpack to enhance it."// The crystal is not consumed.

==== Outcome ====

On a successful application:

  - The break roll is checked first. If it succeeds, you see //"The crystal shatters, destroying your equipment."// and both the equipment and the crystal are destroyed.
  - Otherwise the next free skill slot is filled, you see //"You apply the enhancement."//, the item's enhancements-made count goes up by 1, and the crystal is consumed.

===== Enhancement Slot Cap =====

Each enhanceable item tracks how many crystals can be applied to it:

  * The hard maximum is **5** enhancements per item.
  * Newly enhanceable items start with a limit of **3** enhancements.

You can raise an item's limit by one (up to the cap of 5) with a **Max Enhancements Deed**:

  * Item graphic ''0x14F0'', hue ''1937'', weight 1.0, labelled "Max Enhancements Deed".
  * Double-click the deed from your backpack, then target the item.
  * The deed refuses items that cannot be enhanced.
  * It refuses items whose five skill slots are already all filled.
  * It refuses items already at the cap of 5.
  * On success the item's limit goes up by 1 and the deed is consumed.

===== Sources of Crystals =====

==== Glimmering Chest of Belongings (Loot) ====

A **glimmering chest of belongings** can drop when a creature dies. The drop chance is:

  ''(HitsMax + StamMax + ManaMax) / 12000 × 20%''

capped at 100%.

The chest's level is rolled randomly. Boundaries (with //BetterLoot// applying a 0.2 reduction to the roll where active):

^ Roll ^ Chest Level ^
| ≤ 0.01 | 5 |
| ≤ 0.02 | 4 |
| ≤ 0.04 | 3 |
| ≤ 0.10 | 2 |
| otherwise | 1 |

Crystals only drop from Levels 3 through 5:

^ Level ^ Crystals (unboosted) ^ Crystals (//BetterLoot// boosted) ^
| 3 | 15% chance for 1 | Always 1, plus 10% chance for a second |
| 4 | 2 guaranteed | 2 guaranteed |
| 5 | 3 guaranteed | 3 guaranteed |

==== Demigod Direct Drops ====

A demigod kill drops one crystal unconditionally, an additional crystal if the kill is //boosted//, and a further crystal because the kill is a demigod (for a typical total of 3 on a boosted demigod kill).

==== Champion Bonus ====

A champion kill awards one random crystal to the player at a **30%** rate, placed directly in the backpack.

==== Enchantment Vendor (Sosarian Dollars) ====

The **Enchantment Vendor Stone** sells guaranteed //+5//, non-breakable crystals. The vendor's purchase header reads "+5 Skill - No Break Chance".

  * **Crystal of Enhancement (+5, no break)**: 100 Sosarian Dollars each.
  * **+1 Enchantment Slot Deed** (Max Enhancements Deed): 100 Sosarian Dollars.
  * Purchased items go to your bank box if available, otherwise into your backpack.

===== Storage =====

The **Tome of Enhancement** is a storage key for Crystals of Enhancement.

  * Item graphic ''0x1C13'', hue ''195''.
  * Cannot be used from your pack. Lock it down in a house and use it from there.
  * Listed as a donation reward at **100 donation points**.

===== Property Display =====

A crystal's property list shows two lines:

  * "Chance To Break Item: //N//%" — or "Will Not Break Item" when the crystal cannot break or has a 0% break chance.
  * "Armor, Shield, Jewelry, Talisman: +//N// //Skill Name//" — note that the displayed text omits Clothing and Weapon, although both are valid targets.