BEFORE
Forest quest chain complete
The 0/3 objective and turn-in produced the Modified Leech.
ISLAND 2 · MAIN PROGRESSION · CHECKED FOR PATCH 1.0.10
Forest progression revolves around one dependency chain: find all 3 Leeches, obtain the Modified Leech, use it to trigger Giant Piranha, then complete the post-boss progression to unlock Desert.
REQUIRED PROGRESSION ONLY
Optional catches and Fishipedia entries are not required to unlock Desert.
Enter Forest
Find 3 Leeches
Get Modified Leech
Summon Giant Piranha
Collect Skeleton
Claim Desert unlock
Desert
DEPENDENCY, NOT A FISH LIST
3 Leeches
Modified Leech
Giant Piranha
Forest complete
Desert
01 · FIND · REQUIRED
Activate the Swamp Daughter 0/3 objective first. Leeches are small ground pickups around three verified Forest search areas; casting a fishing rod will not find them.
LEECH CHECKLIST
0 / 3 found
You're missing 3 Leeches. Compare the unchecked search areas below.
Based only on the checklist you save in this browser.
02 · PREPARE · REQUIRED
Complete the active 0/3 ground-pickup objective.
Return all three to the Swamp Daughter NPC.
Confirm the Modified Leech is available before attempting the Boss.
03 · FIGHT · REQUIRED
The dedicated trigger is the Modified Leech reward from the three-Leech chain. This walkthrough covers the summon boundary; the Boss page owns the full fight strategy.
BEFORE
The 0/3 objective and turn-in produced the Modified Leech.
TRIGGER
Use the dedicated reward as Boss bait, not an ordinary lure.
SUCCESS
Giant Piranha appears and the required fight can start.
Check the dependency in order and stop at the first result that has not happened in your run.
CHECK IN THIS ORDER
MOST LIKELY BLOCKER
Collect and turn in all 3 Leeches before looking for a normal Boss-lure solution.
Open the exact requirement →POST-BOSS PROGRESSION
Defeating the Boss is not the last Forest action. The Skeleton and completed quest interaction carry the unlock forward.
Finish the required Forest encounter.
Keep the required Giant Piranha Skeleton drop.
Return the Skeleton to the Forest quest chain.
The completed quest interaction registers Desert progression.
EXPECTED RESULT
Desert becomes available after the Giant Piranha Skeleton is turned in and the completed quest interaction is claimed.
04 · LEAVE · REQUIRED
The Forest unlock is a chain, not just a Boss kill: Leeches, Modified Leech, Giant Piranha, Skeleton turn-in, then the completed quest interaction.
FOREST PROGRESSION CHECKER
Use the same saved route results to identify the first missing known requirement. If all are checked, the page moves you to current-patch troubleshooting.
DESERT UNLOCK CHECK
MOST LIKELY BLOCKER
Collect all 3 Leeches and complete their turn-in before continuing the required Forest chain.
Open the exact requirement →ISLAND 2 EXIT
Confirm the complete dependency and actual travel result before saving Forest as complete.
Continue to the Desert Walkthrough →NEXT · DESERT
FOREST EXIT CHECKLIST
0 / 5 route results
Check a result only after it happens in your run.
OPTIONAL · NOT REQUIRED FOR DESERT
Open this only if you want collection or economy detours before continuing the main route.
Browse Forest-associated catches without mixing them into the required route.
Open guide →Completion cleanup does not replace any Leech or Boss requirement.
Open guide →Money optimization is optional while progressing to Desert.
Open guide →EXACT FOREST FIXES
Choose the symptom that matches your run and jump to the nearest authoritative answer.
Compare all three verified ground-search areas; do not fish for these pickups.
Find the missing Leech →The 0/3 objective must be active and all three Leeches must be turned in.
Check the Modified Leech requirements →Use the Modified Leech reward as the dedicated Boss bait.
Run the spawn check →Keep the Island walkthrough focused and open the full Boss strategy.
Open the Giant Piranha guide →Collect and turn in the Skeleton, then claim the completed quest interaction.
Run the Desert unlock check →