★★★★
Sonar Circuit
Description
Can be used to activate the Casket Sonar's search and pinpointing functions for special collectibles.
Background
The most basic structure to artificially reproduce or store Remnant frequency. It allows the Casket Sonar to match the frequencies around with the Remnant information within its storage to locate special collectibles.
Where to get it
Synthesis - Constructing
Max stack size
999
Similar materials
How to read this page (rarity, drop sources, farming tips) — see the full guide at Materials →
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How long until it respawns? The full reset schedule
- Daily reset at 04:00 server time — the daily quest, activity points, and the monthly pass's daily payout.
- Plants, ore nodes and ordinary field enemies come back on the daily reset. Clearing an area today means it is full again tomorrow — no multi-day wait.
- Field bosses and weekly bosses respawn about 2 minutes after you defeat them. You do NOT need to leave the area or teleport away and back — simply wait there and the boss returns.
- Special red-aura enemies take far longer: 72 hours counted from the exact moment you killed them, not from the daily rollover.
- Weekly reset every Monday at 04:00 — weekly boss reward claims and the season pass's weekly missions.
- Weekly bosses only pay out 3 claims per week, and those 3 are shared across every weekly boss — three different bosses once each uses them up just as fast as one boss three times. You can still fight them afterwards; there is simply no reward.
04:00 follows the time zone of the server you play on, not your device clock.