TL;DR
- Five Alien Artifact cylinders available from July 1 at 7 AM PT for one week
- Each cylinder provides 4 artifacts, totaling 20 plus Cosmic Chest bonuses
- Strategic collection route saves time and maximizes efficiency
- Kymera customization requires sequential unlocking in each category
- Team play enables additional artifact collection from Cosmic Chests
The fourth week of Fortnite Season 7 introduces five additional Alien Artifact cylinders for dedicated collectors. These valuable resources become accessible starting Thursday, July 1 at 7 AM Pacific Time (10 AM Eastern Time), remaining available for exactly seven days until the following Thursday. Missing this limited window means losing permanent customization options for your Battle Pass character.
Strategic collection timing is crucial—early acquisition prevents last-minute rushing and potential missed opportunities. Each cylinder you secure provides four individual artifacts, translating to 20 total artifacts from map locations alone. This substantial weekly haul significantly accelerates your Kymera customization progress compared to relying solely on Cosmic Chest drops.
Understanding the artifact economy helps prioritize collection efforts. While individual cylinders offer guaranteed rewards, Cosmic Chests present randomized bonus artifacts exclusively available during cooperative gameplay with at least one teammate. This dual acquisition system rewards both solo dedication and team coordination.
Navigating the island efficiently requires understanding each artifact’s precise positioning. Here’s the comprehensive breakdown of all five Week 4 Alien Artifact locations with strategic collection advice:
- Holly Hatchery Center: Positioned in the central area of this recently transformed location (previously known as Holly Hedges). Expect heightened enemy activity here due to the central positioning.
- Weeping Woods Northeast Cabin: Located in the isolated cabin at the northeastern edge of the woods. Approach cautiously as this remote spot often attracts ambush attempts.
- Lazy Lake Northwestern Shed: Found in the small storage shed at the northwest perimeter. This urban location demands quick in-and-out tactics to avoid prolonged combat.
- Dirty Docks Eastern Warehouse: Situated outside the massive eastern storage facility. Use the industrial cover to approach stealthily while monitoring rooftop snipers.
- Steamy Stacks Centermost Building: Mounted on an exterior wall of the central structure. The constant environmental hazards here require careful movement planning.
Optimizing your collection route can save valuable gameplay time. Consider starting at Steamy Stacks, then progressing to Dirty Docks, followed by Lazy Lake, Weeping Woods, and finishing at Holly Hatchery. This path minimizes backtracking and maximizes survival chances.
The Kymera customization interface offers extensive personalization options for your Tier 1 Battle Pass extraterrestrial character. Available modification categories include armor coloration, skin tone variations, armor underglow effects, ocular appearances, cranial configurations, and additional aesthetic enhancements. Each category features tiered progression with costs ranging from 2 to 17 Alien Artifacts per individual option.
Progression mechanics follow a sequential unlocking system—you must acquire all preceding options within a category before accessing the most premium selections. This structured approach encourages consistent weekly collection rather than sporadic participation. The system also includes complimentary default styles that require no artifact investment.
For players seeking complete Kymera customization, strategic resource allocation becomes essential. Prioritize categories that provide immediate gameplay visibility, such as armor colors and underglow effects, before investing in more subtle aesthetic changes.
Team-based artifact acquisition through Cosmic Chests significantly accelerates your customization timeline. These special containers only appear during duo or squad matches and provide randomly determined artifact quantities. Coordinating chest openings with teammates ensures maximum weekly yield beyond the guaranteed map artifacts.

Advanced players should integrate artifact collection into their existing class specialization strategies, balancing resource gathering with primary objectives. The cumulative effect of weekly collection creates substantial customization flexibility as the season progresses.
Action Checklist
- Mark collection timeline: July 1 7AM PT to July 8 7AM PT
- Plan efficient route: Steamy Stacks → Dirty Docks → Lazy Lake → Weeping Woods → Holly Hatchery
- Collect all five artifact cylinders for 20 guaranteed artifacts
- Play 3-4 team matches to open Cosmic Chests for bonus artifacts
- Apply artifacts to Kymera customization, prioritizing visible features first
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