Halcyon

Styx · mission.

Mission read

Dispatch any hostile wildlife in the region to guarantee the safety of the new base. Run it as a mission prospect on Styx with a recorded difficulty of 3/4. Time allowance: 6h; payout: Easy 150 Ren + 50 Exotics; Normal 300 Ren + 100 Exotics; Hard 450 Ren + 150 Exotics

Campaign position

• Prerequisite: Maelstrom

Where to go

Objective approach

No per-difficulty item manifest is recorded for this guide. Follow the on-screen tracker, then use the notes below to decide what to stage before committing to the final hand-in.

• Read the objective tracker after every major interaction; many ICARUS prospects reveal the next step only after the current one completes.
• Stage resources at the hand-in or build site before triggering final timers, wildlife waves, or extraction travel.
• If the guide has a manifest above, build the Hard list first when possible; it covers lower-difficulty planning and avoids under-packing.
• Keep the return route open. A finished objective still fails the run if the crew cannot safely reach the dropship or delivery pod.

Preparation

• Start with a bedroll, campfire or shelter kit, oxygen and water storage, bandages, splints, and enough food to cover the full route.
• Assign one player to navigation and one to resource accounting so the crew does not duplicate long hauls or miss a delivery line.
• Use the loadout list below as the minimum kit, then add mission-specific tools before launch.

Hazards and controls

• No special hazard is recorded, so default to storm shelter, wound treatment, spare tools, and enough ammunition for unexpected predators.
• Long travel remains the risk: mark caves, water, and emergency shelter locations as you move.

Execution checklist

• Before drop: confirm prerequisite unlocks, mission timer, loadout, and who carries shared deployables.
• On landing: locate water, set a respawn point, and confirm the first objective marker before building a permanent base.
• Mid-run: consolidate loot and mission items at one marked cache; keep one repair kit and medical stack on each player.
• Before extract: verify every optional delivery, reward unlock, and follow-up objective is complete before leaving orbit-side cargo behind.

Source notes

Styx · mission.

Briefing

EXTERMINATE HOSTILE WILDLIFE
//OPERATOR: ACS
//BIOME: Snowy Plateau
//BACKGROUND: The ACS has an interest in setting up a permanent base in this area.
//MISSION: Dispatch any hostile wildlife in the region to guarantee the safety of the new base.
//TERMS: Flat fee. All safety and survival concerns are the responsibility of the Contractor.

Hints & tips

Wood Wall Fortifications and Wood Spike Fortifications will help immensely. Additional Polar Bear cubs will spawn along with the Mother Polar bear once all polar bear cubs have been eliminated.

Field expansion notes

• Keep the guide open during the run and compare each completed step against the tracker before moving to the next region.
• Prefer one well-marked supply cache over scattered personal stashes; it keeps recovery simple after a death, storm, or route change.
• Write down the first place the plan becomes ambiguous: an unmarked cave, a surprise wave, an unclear build radius, or a missing delivery container.
• When a route crosses biomes, pause at the border and reset food, water, oxygen, temperature buffs, and ammunition before pushing onward.
• If the mission provides equipment, collect it before crafting substitutes; if equipment is lost, check whether the escape menu offers mission resupply.
• For construction or delivery work, overbuild the hardest requirement first, then reuse portable pieces and leftover materials for smaller objectives.
• For scan, hunt, and recovery work, stage a respawn point outside the objective radius so a failed fight does not turn into a full-map corpse run.
• For map and outpost guides, add exact build-site, cave, water, and predator notes after each scouting trip; persistent maps become more valuable every time the crew annotates them.
• For resource routes, note the round-trip time as well as the node itself. A nearby mediocre cave can beat a rich cave that requires a dangerous cross-biome haul.
• For base planning, verify storm exposure with temporary pieces before committing rare materials; rebuilding a roof is cheaper than replacing a full production room after weather damage.
• For multiplayer runs, agree on extraction and rescue rules before the objective starts: who stays with cargo, who retrieves bodies, and when the group abandons optional loot.
• When a marker, quantity, or unlock differs from the live game, update this guide immediately so the next run starts from the corrected plan.