Contingency Contract is one of the toughest challenges currently available in Arknights Endfield, pushing players to adapt their teams and strategies against a wide variety of Risk modifiers. Unlike standard combat encounters, every run requires careful planning, smart team building, and a willingness to adjust your approach as difficulty increases. Whether you're aiming to clear higher Risk levels, complete seasonal missions, or maximize shop rewards, understanding how the mode works is essential for efficient progression.

This Arknights Endfield Contingency Contract Guide covers everything you need to know, including how to unlock the mode, understand Test Criteria, build effective teams, maximize rewards, and spend your Vitrified Coins efficiently. As you work through event missions, optimize team compositions, and push for higher Risk clears, with OSLink you can play your Arknights Endfield PC session from your phone, making it easier to keep up with progression and event activities even when you're away from your setup.

How to Unlock Contingency Contract in Arknights Endfield?

Accessing the Arknights Endfield Contingency Contract is straightforward once you've made solid progress through the main story. The mode typically unlocks after clearing key story stages and reaching a certain Exploration Level, aligning with the broader endgame content rollout. Keep an eye on official announcements, as the first season Contingency Contract: Re-Ignition Experimental Operation kicks off around June 19, 2026, following the Contingency Readiness prelude.

Upon entry, you'll find a selection of challenge stages featuring multiple enemy waves within a time limit. The real magic begins with the Test Criteria selection screen, where you customize difficulty on the fly. This seamless onboarding makes the mode approachable yet infinitely scalable, ensuring that you find your footing quickly.

Understanding Test Criteria: The Heart of Contingency Contract

At its core, Contingency Contract lets you tailor each run by selecting Test Criteria (also called Risks). These modifiers fall into three main categories:

• Ambient (environment or mechanic changes)

• Edit (enemy buffs)

• Team (operator debuffs).

Each carries a Risk Value of 1–3, and their total determines your final Risk Level.

Key Criteria (highlighted with a key icon) unlock additional Locked Criteria when selected, often introducing powerful trade-offs like reduced Combo Skill cooldowns paired with heavy Battle Skill DMG penalties. Connected Criteria, linked by lines, are mutually exclusive, forcing thoughtful choices. Higher Risk Levels (especially 18–20+) yield better mission progress and bragging rights, but you don't need max difficulty for full rewards. This is because smart combinations specifically customized to your roster often prove more effective than raw power.

Pro Tip: Start conservatively. Experiment in lower-risk runs to understand how specific modifiers interact with your favorite operators before stacking ambitious combinations.

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Best Arknights Endfield Contingency Contract Teams 

Success in Contingency Contract hinges on versatile, well-invested teams that adapt to shifting modifiers. Having at least two strong squads covering different damage types proves invaluable, especially when certain Risks punish specific playstyles like heavy Battle Skill reliance or basic attacks

If you are looking for the best teams for the Contingency Contract, these are what we recommend:

Laevatain Heat Team

This is one of the strongest and most reliable options you can go with. Laevatain team excels at stacking Melting Flame for massive AoE bursts and ultimate uptime, making it excellent for clearing waves under many Edit and Ambient risks. You can swap in Gilberta for the fourth slot when facing clustered enemies as she provides powerful grouping, buffs, and Arts susceptibility that complements the Heat reactions beautifully

Core team members here are:

Gilberta Centric Team

For players leaning into Arts damage or needing strong support, Gilberta-centric teams shine. Try Gilberta with Avywenna (Electric DPS), Perlica, and Arclight for a flexible Electric/Arts hybrid that handles debuffs well while maintaining strong crowd control and susceptibility debuffs. Alternatively, pair her in Cryo setups with Yvonne/Last Rite, Xaihi, and Fluorite for shatter-focused burst that ignores some skill-related penalties.

Core team members:

Gilberta	Avywenna	Perlica	Arclight
Core Support	Electric DPS	Electric / Arts Hybrid	Electric / Arts Hybrid

F2P Team

F2P-friendly alternatives include Physical teams built around Chen Qianyu or Endministrator with Estella, Alesh, and accessible supports because these deliver consistent damage through Vulnerable stacks and work well when avoiding heavy ultimate or skill debuffs. Electric teams centered on Zhuang Fangyi or Avywenna + Perlica offer another low-investment route with strong SP generation and chain reactions.

Level operators to at least 80, max relevant Artificing and Essence Etching, and ensure gear synergy. Multiple teams allow rotations across permanent and rotating challenges, keeping your runs fresh and efficient throughout the season.

Mastering Risks and Strategies for High Clears

You can approach each operation like a puzzle. Scan the available Criteria, identify synergies or hard counters to your team, and aim for Risk thresholds that complete weekly and seasonal missions. Permanent stages offer consistent practice, while daily rotations provide variety and additional coin opportunities.

Weave in warnings naturally: some Risks drastically alter mechanics (e.g., no dodging under Mire or limited healing), so always test risky combos on easier variants first. Top players push Risk 46+ for prestige, but the majority clear everything valuable around Risk 18–20. Also make sure to use the mode's forgiving reward structure because progression doesn't demand perfection on every attempt.

Contingency Contract Rewards and the Shop 

The real motivation shines through the Vitrified Coins (or Petrified Coins) earned via Contract Missions. These include weekly tasks (specific Risks), Risk Level milestones, and phase challenges. Coins fuel the Secret Sanctuary shop, stocking premium progression items like Oroberyls, T-Creds, Advanced Combat Records, Arms INSP Sets, Protohedrons, and more.

Most importantly, you don't need extreme Risks for the best loot because hitting moderate targets across permanent and daily maps secures the full shop lineup. First-clear bonuses, medals, and profile showcases add extra satisfaction for completionists.

Contingency Contract Shop Optimization 

Make sure to spend Vitrified Coins wisely by prioritizing high-value items that accelerate your overall account progress: pull currency equivalents, upgrade materials for key operators, and limited cosmetics. Since coins don't carry over between seasons, clear missions diligently and target efficient Risk combinations to maximize your haul before the Operation ends.

This Arknights Endfield Contingency Contract shop serves as the perfect capstone, turning your hard-fought battles into tangible power spikes for future content.

Conclusion

Contingency Contract is designed to test every aspect of your account, from operator investment and team building to your ability to adapt under increasingly difficult Risk combinations. By understanding Test Criteria, building flexible squads, and focusing on efficient reward farming, you'll be well prepared to tackle each season's toughest challenges. As you continue refining teams, completing event objectives, and pushing for higher Risk clears, OSLink gives you a convenient way to stay connected to your Arknights Endfield PC session from your phone, helping you keep progression moving wherever you are.