High Seas Hero: Dig & Build Fleet Tech and Gathering Guide

To optimize resource gathering in High Seas Hero: Dig & Build, prioritize research tech that unlocks additional fleet queues and improves gathering speed alongside cargo load capacity. Efficient resource farming relies on matching your fleet carrying capacity to the size of targeted resource nodes, ensuring ships harvest nodes completely in single trips without stalling base construction.

Core Fleet Gathering Mechanics

When dispatching a fleet to a resource node, three key stats determine the efficiency of the trip:

Gathering Speed: The rate per minute at which your ships extract materials from a node. Faster gathering shortens the time your fleet remains anchored on the water.
Load Capacity: The total cargo volume your fleet can carry back to base. If your load capacity is smaller than the total resources in a node, your fleet will leave behind fractional deposits.
March Speed: The travel time required to sail to a destination tile and return to port. Upgrading march speed minimizes non-productive transit time over long distances.

Leaving partially cleared resource nodes slows down the respawn rate of fresh nodes in your area. Always deploy enough ship capacity to strip a node in one march.

Fleet Tech Research Priorities

Invest in economic and fleet technologies before heavy military branches during early and mid-game progression. Upgrades should be prioritized in the following order:

Fleet Queue Expansion: Unlocking additional simultaneous march queues provides the largest direct boost to hourly resource income by allowing multiple nodes to be farmed at once.
Basic Gathering Speed: Increase harvesting rates for primary construction resources to cycle fleets rapidly during active play sessions.
Load Capacity Upgrades: Expand cargo limits so expanding fleets can fully deplete higher-tier resource nodes without requiring multiple trips.
March and Sail Speed: Reduce ocean travel delays, particularly when sending fleets to contested tiles or distant farming sectors.

Balance gathering speed and load capacity evenly. Upgrading gathering speed without adequate load capacity causes ships to fill their holds quickly while abandoning remaining deposits.

Node Targeting and Deployment Strategies

Deploy fleets according to your play schedule and node tiers to prevent ships from idling after finishing a harvest.

Node Target	Optimal Play Scenario	Required Tech Focus	Tactical Benefit
High-Tier Deep Nodes	Overnight or long offline periods	High Load Capacity & March Speed	Clears high-density deposits without leaving fleets idle in harbor
Nearby Low-Tier Nodes	Active play sessions with regular check-ins	Maximum Gathering Speed	Rapid collection turnaround with minimal travel risk
Contested Water Nodes	Active alliance monitoring	March Speed & Escort Defense	Fast transit to secure resources before rival players arrive

Protecting Gathering Fleets

Gathering formations operate with reduced combat readiness compared to dedicated attack fleets. When farming in active or contested waters, include defensive escorts with your gathering ships to deter opportunistic raiders. If hostile scouts approach your farming sector, recall fleets before an attack lands or relocate your operations to secure alliance waters to protect harvested cargo and avoid shipyard repair costs.