Mastery, also known as Meme Mastery, is one of the core gameplay elements in this game. It can be simply understood as a kind of talent effect that unlocks as players reach specific levels. Every certain number of levels, players can also upgrade their Meme Masteries. Below, we bring you a comprehensive list of masteries in the World of Seven Days. For those who don't know what Meme Masteries are available in the World of Seven Days, take a look. Due to space limitations, the focus here is on the Snow Country Life version of the masteries. Prior to this, there were the Touch of Sky, Path of Divergence, and Inverted War versions, which you can check out in the JiuYou World of Seven Days section.
Updraft Device·Gravity Reversal: Reduces gravity around and increases movement speed for 5 seconds.
Recon Drone·Condensing Drone: Slows down nearby enemy units' movement speed.
Recon Drone·Invisible Hunt: Applies Hunter's Mark upon hit, increasing health and damage by 30%. The drone becomes a reusable item, usable up to 5 times.
Portable Updraft Device: Summons an updraft lasting 30 seconds at the location of use, increasing jump height. Usable up to 10 times.
Decoy·Paranoia: Automatically attracts surrounding monsters.
Light Energy Motor·Enhanced Light Energy: Increases power generation by 10w.
Spectral Veil: Enters a 120-second veil state after use, becoming invisible when out of combat. Usable up to 10 times.
Frozen Delicacy·Intense Chill: Extends effect duration by 200% and increases intensity by 30%.
Slowing Trap·Guiding Snare: Has a 20% chance to apply Hunter's Mark upon hitting an enemy.
Flying Blade: Made from multiple flying knives, triggering raw material effects upon hitting the target.
Enhanced Structure·Self-Healing Barrier: Durability automatically recovers to 80% when out of combat.
Generator·Thermal Dissipation: When temperature exceeds 20°C, power generation increases by 1% for every 5°C rise; above 70°C, it increases by an additional 1% for every 2°C rise.
Generator·Power Expert: Increases generator limit by 1 and power generation by 2w.
Composite Chipset: Consumes electronic components, metal scraps, and parts to produce, can be sold at a high price to exchange for energy batteries.
Sentry Rifle·Two Birds with One Stone: Increases damage and durability by 30%, with attacks able to ricochet upon hitting the target.
Sentry Shotgun·Barrage of Bullets: Increases damage by 30%, reduces power consumption by 30%, and has a 30% chance to trigger shrapnel upon hitting the target.
Compound Fertilizer: Greatly increases crop mutation rate and yield but decreases growth speed.
Large Refining Facility: Increases conversion efficiency, capable of converting acid into portable mixed fuel.
Solar Drill: Slowly charges on sunny days, increasing copper, tin, iron, aluminum, and tungsten ore production by 15%~40%.
Nektar Easter Egg: Randomly grants settlement chest rewards upon use.
Crafting Table·Jungle Hunter: Increases crossbow arrow production by 50% and reduces crafting time by 50%.
Crafting Table·Ammunition Factory: Increases regular ammunition production by 50%.
Crafting Table·Armor Buster: Increases armor-piercing bullet production by 30% and reduces crafting time by 50%.
Crafting Table·Healing Enhancement: Restores an additional 10% health with activators and increases production by 1.
Lucky Lumber Platform: Randomly obtains crops in areas with ample sunlight.
Bed·Place of Rest: Cures all diseases if slept for more than 10 seconds and reduces stamina consumption for 10 minutes.
Bed·Heat Retention: Gains 30% cold resistance for half an hour if slept for more than 10 seconds.
Butcher Knife: Increases meat yield by 1 when used to dissect animals, with a 30%~60% chance of obtaining byproducts (effects do not stack).
Anomalous Energy Motor·Stardust Liberation: Increases power generation by 15%.
Anomalous Energy Motor·Energy Extraction: Increases power by 10%, with an additional 20% increase if the ambient temperature exceeds 50°C.
High-Explosive Grenade: Increases explosive damage, dealing extra damage to buildings and vehicles.
Grenade·Cluster Bomb: Generates a cluster bomb that adheres to the target after exploding, detonating after a delay.
Grenade·Pull Explosive: Pulls the target to the explosion point upon detonation.
Disassembly Table·Recycling: Increases the amount of metal scraps and electronic components obtained from disassembling waste by 50%.
Disassembly Table·Precision Disassembly: Increases the amount of parts, fabrics, and plastics obtained from disassembly by 30%.
Expanded Backpack: Increases carrying capacity by 40~80 (effects do not stack).
Axe Pick·Jungle Adversary: Doubles durability, increases log production by 30% when logging, and boosts tree resource destruction by 150%.
Axe Pick·Moonlit Miner: Increases mining yield by 25%, with effects doubling during nighttime (21:00~06:00).
Stardust Pump: Can extract contaminated stardust essence from the ground after loading a battery.
Stardust Dish·Break Free: Provides two special whimsical effects, continuously restoring health while maintaining full sanity for 30 minutes.
Stardust Life Activation Device: Immediately restores 70% health and grants a shield equal to 30% of maximum health, with a 30-second cooldown, usable up to 15 times.
Stardust Shield Wall·Life Defense: Increases health by 50%, healing nearby allies for 50% of their health when destroyed, usable up to five times.
Wood and Stone Sack: Reduces the weight of logs, rubble, and ores by 40%~80% (effects do not stack).
Mechanical Facility·Mechanical Control: Increases trap and sentry turret durability by 50%.
Hydraulic Motor·Tidal Messenger: Increases generator limit by 1, with higher power generation as water flow increases (0~7w).
Activated Carbon Purifier: Has a 30% chance to obtain cool boiled water or pure water when collecting water (effects do not stack).
Flame Trap·Grilling Party: Stacks burning buffs on enemies, triggering an explosion after exceeding 10 stacks (1-second cooldown).
Flame Trap·Incineration Burst: Increases damage by 30%, immediately explodes upon killing an enemy, dealing area damage (1-second cooldown).
The comprehensive list of masteries in the World of Seven Days ends here. This game features many masteries, and whenever a new version is released, in addition to adjusting existing masteries, some new ones that fit the theme of the version are added. For example, the Snow Country script adds several temperature control-related masteries. Of course, strong masteries from older versions are usually still powerful and usable in the new versions.
