In Arknights Endfield, Skills are your bread and butter. Found in each character’s Ability Matrix, skills make up both your overall combat kit, as well as various unique passives that can be earned by tiering up characters.
Each level up requires different resources and currencies, and the costs can seriously add up. As such, we’ll be going over what resources to prioritize once you’ve committed to upgrading a character.
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Elite Tiers
Elite Tiers act as level locks, raising a character’s level cap and increasing the quality of Gear they can equip. Promotion currencies are split between Protodisks, Protosets, Boletes, and various character-specific mastery resources.
Protodisks are used for Elite Tiers 1 and 2, while Protosets are used for Elite Tiers 3 and 4. Both can be found at Promotion Protocol Spaces around the map, and in challenge rooms with various tiers to unlock.
Each Protocol Space can be freely challenged, but rewards can only be claimed by spending Sanity, the game’s energy, after the fight. For later tiers, you can choose between a larger chunk of Protodisks and a smaller cache of Protosets.
In between each Elite Tier is an optional Outfitting upgrade, raising the color rarity of gear the unit can wield. This doesn’t affect weapons, but only costs T-Creds, the universal currency you’ll be drowning in. As such, it doesn’t hurt to snag, allowing you to keep your units nice and protected.
Elite Tiers 1,2, and 3 each universally also require several Boletes, mushrooms that come in a sequence of rarities. Each tier of Bolete is tied to specific Rare Gathering Sites, which replenish over time and are marked on your map once you find the area they reside in.
Bolete can eventually be grown aboard the OMV Dijiang once the Growth Chamber has been unlocked.
For the final Elite Tier, every character requires a different mix of a Rare Progression Material and a Gold Rarity Material. The Progression Materials can be found in various Hazardous Protocol Spaces. These challenging encounters can be found throughout the various areas in Endfield, and each offers up different Materials.
In turn, the Gold Rarity Materials are various plants that need to be harvested around Talos-II. These materials typically have longer waits between fresh stocks, so be sure to snag them whenever they’re in your area.
With the fourth and final Elite Tier unlocked, your operator will be able to reach the current maximum level cap of 90.
Combat Skills
Combat Skills make up the four major parts of a character’s kit, including their Basic Attack, Battle Skill, Combo Skill, and Ultimate. Different characters want to prioritize different skills, but matching tiers of each skill costs the same.
Leveling skills requires several different resources, including increasing numbers of Protoprisms, Protohedrons, Kalkodendra, Chrysodendra, Vitodendra, and differing mastery resources.
The Protostones are split into tiers, with Protoprisms used for early skill levels, while Protohedrons are used for higher tiers. These Proto-resources can also be found in Protocol Spaces, specifically marked as Skill Up.
The final tier of each skill will require additional Rare Progression Materials, often the same required for their Elite Tiers.
Clearing Hazardous Protocol Spaces will net you plenty of these Rare Progression Materials, as long as you can spend the Sanity to claim them.
Leveling your Combat Skills massively increases their direct damage and the effectiveness of their secondary buffs and debuffs. Keeping these skills up to date is paramount to maintaining a solid team.
Talent Nodes
Talent Nodes offer various boosts to characters, most notably through their unique Talents. Every character comes with two, and each is an additional passive meant to amplify their base gameplay in some way.
Bonus damage, extra healing, stacking debuffs, each Talent acts as an extra dash of whatever the character is good at.
Characters also come with tiered upgrades towards their main attribute, further increasing their damage with upgrades. Finally, characters come with two Base Skills, making them better than most at working with specific facilities on the OMV Dijiang.
Luckily, every upgrade found amongst the Talent Nodes only requires T-Creds and Protoprisms/Protohedrons. As we’ve discussed, simply clear Protocol Spaces to get plenty of either Proto currency, ensuring your characters are as good at what they do.
