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title: Excavation
icon: skills:excavation
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Excavation allows the user to dig up increasingly rare rewards.

## Information

| Type | Unique Skill |
|------|--------------|
| Obtain Cost | 75000 MP |
| Points to Master | 1000 |

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## Obtaining

Investigator is a Unique Skill that can be obtained through:
- Reincarnation
- Skill Reroll

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## Usage

### [Active - Press] Analytical Appraisal

Press to activate **Analytical Appraisal**.

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### [Active - Press] Excavate

Press the skill key to excavate a reward. Each excavation costs **100,000 magicules** and, after a successful excavation, has a **5 minute cooldown**.

The reward tier advances in order from **Common** to **Rare**, **Epic**, and **Legendary**, then returns to **Common**. After completing **the configured amount of Legendary excavations**, no further excavations are available.

Rewards are selected from the pool of the current tier. Each entry has a relative weight; entries with a higher weight have more chances to be picked.

**The rewards can be changed by the user inside "config\tensura\excavation_reward_pool.toml". The config supports other addon skills and items.**

**The maximum number of Legendary excavations is set to 3 by default. In the config mentioned above you can edit the number of Legendary Excavations a player can complete.**

## Excavation Rewards

### Common

| Reward | Amount | Weight |
|--------|--------|--------|
| Netherite Ingot | 2 | 1 |
| Low Magisteel Ingot | 2–6 | 1 |
| Dragon Essence | 2–4 | 1 |
| Monster Leather A | 4–6 | 1 |
| Magic Stone | 2–4 | 1 |

### Rare

| Reward | Amount | Weight |
|--------|--------|--------|
| Magic Ore | 8–16 | 1 |
| Pure Magisteel Ingot | 1–3 | 1 |
| Grade A Leather | 8–16 | 1 |
| Elemental Essence | 2–4 | 1 |
| [The Coin](/en/project/trarcane/latest/docs/about_items/the_coin) | 1 | 1 |

### Epic

| Reward | Amount | Weight |
|--------|--------|--------|
| Pure Magisteel Block | 2–4 | 1 |
| Magic Staff Schematic | 1 | 1 |
| Daemon Essence | 2–4 | 1 |
| Marionette Heart | 1–2 | 1 |
| Zane Blood | 2–3 | 1 |
| Ultraspeed Regeneration skill | — | 1 |
| Black Lightning skill | — | 1 |
| Ultra Instinct skill | — | 1 |
| Charm skill | — | 1 |

### Legendary

| Reward | Amount | Weight |
|--------|--------|--------|
| [Light & Dark Bundle](/en/project/trarcane/latest/docs/about_items/holy_dark_bundle) | 1 | 1 |
| [Nature Bundle](/en/project/trarcane/latest/docs/about_items/nature_bundle) | 1 | 1 |
| [Spatial Bundle](/en/project/trarcane/latest/docs/about_items/spatial_bundle) | 1 | 1 |
| [Elemental Bundle](/en/project/trarcane/latest/docs/about_items/elemental_bundle) | 1 | 1 |
| [Otherworlder Relic](/en/project/trarcane/latest/docs/about_items/otherworlder_relic) | 1 | 2 |

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