Digging system

Unearth long-lost relics, rare crafting shards, and valuable island currency beneath the shores of Forasia Summer Beach (forsum_b). By wielding specialized shovels and utilizing the Interact skill, adventurers can excavate sparkling coastal mounds and recycle beach debris with the local collector.
Key NPCs & Access
To reach the excavation grounds, enter Forasia through the Main Hall, then head to the South Portal of Forasia (forasia 95, 9) to warp to the Summer Beach.
Excavation Expert
Summer Beach (forsum_b 95, 363)
Grants free starter shovel, tracks dig progression milestones, and handles shovel crafting & upgrades.
Beach Collector
Summer Beach (forsum_b 363, 54)
Exchanges excavated beach debris and trash for Forasia Coins.
Core Digging Mechanics
Shovel Tiers & Progression
Upgrading your shovel grants faster excavation times, lower breakage chances, access to higher-tier mounds, and improved excavation loot quality.
Iron Shovel
Lv. 1
3.0s
Sand Mounds (1 STA)
5%
—
—
1st Free (Extra copies: 10,000 Zeny)
Steel Shovel
Lv. 2
2.0s
Sand & Steel Mounds (1 STA)
2%
3%
—
1x Iron Shovel
, 10x Forasia Coin, 5x Steel Shards
, 25,000 Zeny (80% Success)
Obsidian Shovel
Lv. 3
1.0s
Sand/Steel (1 STA) & Obsidian (2 STA)
1%
2%
3%
1x Steel Shovel
, 20x Forasia Coin, 5x Obsidian Shards
, 50,000 Zeny (60% Success)
Tool Requirement:
Iron Shovel (or better).Mound Access: Sand Mounds (1 STA per dig).
Level-Up Requirement: Complete 150 successful digs to qualify for the Steel Shovel upgrade at the Excavation Expert.
Tool Requirement: Steel Shovel (or better).
Mound Access: Sand Mounds (1 STA), Steel Mounds (1 STA).
Level-Up Requirement: Complete 500 successful digs to qualify for the Obsidian Shovel upgrade at the Excavation Expert.
Tool Requirement: Obsidian Shovel.
Mound Access: Sand Mounds (1 STA), Steel Mounds (1 STA), Obsidian Mounds (2 STA).
Mastery Perks: Fastest dig speed (1.0s), lowest breakage rate across all mounds, maximum loot quality, and exclusive access to Obsidian Mounds.
Mound Types & Spawning Properties
Mounds spawn dynamically across the beach with personal exhaustion cooldowns:
Sand Mounds
1 STA
5 – 6 digs
5 – 7 minutes
Iron Shovel (Digging Lv. 1+)
Steel Mounds
1 STA
5 – 6 digs
7 – 10 minutes
Steel Shovel (Digging Lv. 2+)
Obsidian Mounds
2 STA
5 – 6 digs
10 – 15 minutes
Obsidian Shovel (Digging Lv. 3)
Excavation Loot Possibilities
The items you can uncover depend on the mound type and the quality of your equipped shovel:
Steel Shards
✔
—
—
Upgrade material for
Steel Shovel
Obsidian Shards
—
✔
—
Upgrade material for
Obsidian Shovel
Treasure Key
—
✔
✔
Rare Island Key Item
Shiny Sea Shell
—
—
✔
Beach Debris (Worth 20 Forasia Coins
)
Rusty Bottle Cap
—
✔
✔
Beach Debris (Worth 10 Forasia Coins
)
Crushed Can
✔
✔
✔
Beach Debris (Worth 5 Forasia Coins
)
Old Paper
✔
✔
✔
Beach Debris (Worth 5 Forasia Coins
)
Forasia Coin
✔ (1–15x)
✔ (1–25x)
✔ (1–25x)
Island Life Skill Currency
Dry Sand
✔
✔
✔
Bulk Scrap (25 Sand = 1 Forasia Coin
)
Stone
✔
✔
✔
Bulk Scrap (25 Stone = 1 Forasia Coin
)
Higher-tier shovels (Steel and Obsidian) yield larger coin bundles and have a greater chance of uncovering valuable materials rather than basic sand and stone.
Beach Collector: Trash Exchange
The Beach Collector (forsum_b 363, 54) buys debris and scrap dug up from the beach in exchange for
Forasia Coins.
Crushed Can
5 Forasia Coins 
Direct exchange per item
Old Paper
5 Forasia Coins 
Direct exchange per item
Rusty Bottle Cap
10 Forasia Coins 
Direct exchange • Uncovered from Steel & Obsidian Mounds
Shiny Sea Shell
20 Forasia Coins 
Direct exchange • Uncovered exclusively from Obsidian Mounds
Dry Sand
1 Forasia Coin
per 25x
Bulk rate (batches of 25; remainders kept)
Stone
1 Forasia Coin
per 25x
Bulk rate (batches of 25; remainders kept)
Eco-Friendly Profit: Trading debris to the Beach Collector is one of the fastest and most reliable ways to farm
Forasia Coins to fund shovel upgrades and other island activities!
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