Jackdaw / Elite Design Plans
Elite Harpoon Strength
Use Elite Harpoon Strength to check the elite design plans route near 880, 544 before sweeping the Caribbean.
- Coordinates
- 880, 544
- Location
- Mariguana
- Upgrade
- Elite Harpoon Strength
Route Plan
How to use Elite Harpoon Strength
Use this Jackdaw upgrade check before spending resources: verify Elite Harpoon Strength around Mariguana. The current coordinate check is 880, 544.
- Start with the Mariguana check before moving to nearby markers.
- Mark 880, 544 before you leave port or fast travel.
- Confirm the reward or completion state before leaving the area.
Save Checklist
Save Checklist
Use these checks before marking Elite Harpoon Strength complete.
- Entry type: Jackdaw Upgrade.
- Recommended check: Check Jackdaw menu.
- Confirm the marker, reward, or requirement in the current Resynced build.
Jackdaw Upgrade Check
Jackdaw Upgrade Check
Open the Jackdaw menu before chasing a plan so you know whether the upgrade is already owned.
- Confirm whether the plan unlocks storage, armor, broadside, mortar, ram, fire barrel, or harpoon power.
- Use 880, 544 for the map check.
- Pair elite plan routes with treasure maps when the reward path overlaps.
Common Questions
When should I chase Elite Harpoon Strength?
Check it before harder naval routes, fort assaults, and fights where the Jackdaw is underpowered.
Should I check treasure maps too?
Yes. Some elite plan routes overlap buried treasure rewards.
Should I confirm this in the current build?
Yes. Use the route notes as planning help, then confirm the current map marker, upgrade menu, reward, or platform page before spending time on a long route.