Eclipse Vigil (Season 4) Guide in Delta Force. Includes release date, new features, season pass, events, maps, new operator, weapon, TurBrick Trading and Recycling System.
Table of Contents
Eclipse Vigil Season Overview
Season 4 Launches on Monday, April 21 at 2:00 (UTC)
When playing on the 21st, please note that tier matches will be suspended starting from 12:30 AM (UTC). The client Hotfix will start at 2:00 AM (UTC), and if any errors occur, please restart the Game.
![]() | The Hotfix Capacity is 18.2GB, but it is officially recommended to secure more than 45GB of free space! |
Season Pass Will Be Refreshed

Type | Price (Delta Points) |
Both Modes Supported Version | 720 |
Single Mode Limited Version | 520 |
The Season Pass will be newly available with the launch of Season 4. If you want to continue using the Premium Safe Box (2×3) in Operations, make sure to purchase the Season Pass.
All Delta Tickets Obtainable During the First Week

The method of obtaining the Season Pass has been updated, and the timing for earning Delta Tickets required for purchasing Skins has been moved earlier. If there are Mark’s knife Skins or Weapon Skins you want, be sure to use Delta Tickets to purchase them.
Skin Bundle List And Pack Contents
New Operator Available
"Nox" Sneaks In with Suppressed Sounds
Tactical Gear | ![]() |
Gadget 1 | ![]() |
Gadget 2 | ![]() |
Passive Gadget | ![]() |
Source | Unlocked at Lv.15 of the free Season Pass |
New Operator "Nox"," a specialist in Shadow Troopers, will be introduced starting from Season 4. He comes equipped with a grenade that can track enemies and a flashbang that blinds their vision.
Tactical Gear Can Evade Detection Gadgets

The tactical gadget of Nox boosts mobility and also allows you to avoid detection by enemy gadgets. Footstep noise is also reduced, making highly stealthy plays like flanking and blitz attacks her specialty.
Slows Enemy Recovery After Damage

Operations | Affects the enemy’s item usage speed and knockdown recovery time |
Warfare | Extends the automatic recovery time after leaving combat |
The passive gadget "Deep Trauma" grants an effect that slows enemy recovery speed when you deal damage. Take advantage of this to close the distance quickly and eliminate enemies before they can recover!
New Operations Features
Zero Dam Adds Night Ops Mode
Night Ops Mode features three difficulty levels: Evening, Long Night, and All Night. Since the map has limited light sources and restricted visibility, make sure to use Night Vision Goggles or Thermal Sights to maintain visibility.
![]() | At the start of the new Season, only the "Long Night" mode is planned to be implemented! |
New Night Vision Goggles Added

Night Vision Goggles can be equipped in the Helmet slot and greatly improve visibility at night or in dark areas. There are two types of gold rarity and one type of red rarity, and the gold rare ones can be traded in the Auction House.
New "Hard" Difficulty in Space City
The Hard mode has even stricter entry restrictions compared to Normal mode. Enemy loadout levels are also increased, allowing for a higher difficulty raid experience. Players seeking high risk and high reward should take on the challenge.
Click here for the Season 4 Map Rotation
RAID Mode Ends
Operation Serpentine will end with the Season switch. Co-op Armament Vouchers can still be exchanged for up to three weeks after the mode ends, but they will be removed during a Hotfix after the new Season starts, so be sure to use them early.
New Warfare Features
New Map: Trench Lines (Night)
The battle time is set between dusk and night, offering a more immersive combat experience in darker environments. In addition, a Night Mode-exclusive Call-In Night Vision Device will be available.
High-Mobility Tank Available
The new GTQ-35 Light Tank features high mobility and turning capabilities, and can deploy an independently controlled UAV for reconnaissance and demolition missions. The driver's seat is equipped with a 105mm main gun and both light and heavy machine guns (MGs).
New Flamethrower Gadget Available
A new Class Gadget for Assault and Engineer, the "Flame Welding Gun," will be introduced. It's highly effective when defending objectives or attacking enemies in tight corridors.
Limited-Time Commander Mode Implemented
Release Date | Friday, May 30 |
This is a 20v20 limited-time mode accessible to players above a certain tier, where a Commander is elected to lead the battle. Commanders and squad Captains can use a dedicated channel to issue orders across the entire faction.
Intel on New Weapons & Ammo
List of New Weapons
Image | Weapon Name / Type |
![]() | K437 Assault Rifle (AR) |
![]() | 725 Double Barrel Shotgun Shotgun |
In Season 4, two new weapons will be added. The K437 boasts both high damage and fire rate, making it a high-powered Assault Rifle (AR).
List of New Ammo
Image | Ammo Name / Compatible Weapons |
![]() | .300 BLK ・K437 |
![]() | Dragon's Breath Rounds ・M870 ・M1014 ・S12K ・725 Double Barrel Shotgun |
The .300 BLK is compatible with the K437 and will be available in three penetration levels (3 to 5). Dragon's Breath Rounds can be loaded into shotguns and inflict burn damage on hit.
New MandelBrick Available
Choose from Two Skins

Weapons for Collectible Skins | |
K416 | QBZ95-1 |
The MandelBrick available in Season 4 allows you to choose which Collectible Skin you want to obtain. The item drop rates remain the same as in the previous version.
![]() | "Spectrum Blitz" and "Custom Build" will still appear at low rates in the new Season! |
How To Get MandelBrick And Uses
New TurBrick: Band

A new "Band" theme is coming to the Tar Brick charm series. There will also be two hidden legendary charms available.
Recommended Articles for Delta Force
Useful / Strategy Tips
Character Database & Tier List
All Character Rating ListWeapon Database & Tier List
All Weapon Rating ListOperation Mode Guide
Operations Mode Perfect GuideBest Items To Extract In Operations | Operations Mode Guide |
Preparation Guide | How To Organize Your Stash |
How to Heal HP and Injuries | How to Earn Money in Operation Mode |
Normal Mode Guide | Black Site Guide |