Andrius, the Wolf of the North, known as Lupus Boreas, is a weekly boss fight in Genshin Impact located in Wolvendom, Mondstadt. Here's how you can effectively tackle this challenge.
By employing these strategies, you'll be well-prepared to face Andrius in Wolvendom, ensuring you can defeat him efficiently and reap the rewards necessary for your character progression in Genshin Impact.
Locating Lupus Boreas 
Prerequisites
1.You must have reached Adventure Rank 21 to unlock the ability to fight Lupus Boreas through the questline. However, to fight him as a weekly boss, you need to be even higher, around Adventure Rank 30 or above, to engage in the "Trounce Domain" challenge.
Location
2.Wolven Domain: Lupus Boreas resides in Wolvendom, which is located in the Mondstadt region. Specifically, it's in the Windwail Highland area, southwest of Dawn Winery and south of Mondstadt city.
Getting There
3.From Mondstadt: Head south across the bridge towards Springvale, then continue west through Windwail Highland until you reach Wolvendom.
4.Teleport Waypoint: Use the nearest teleport waypoint which is south of Mondstadt or the one near Dawn Winery, then make your way to Wolvendom.
Entering the Arena
5.Once in Wolvendom, look for a circular arena surrounded by large bones or spikes. This is the Lupus Boreas's fighting ground. There's usually a bit of a clearing with a unique, ominous atmosphere signaling that you're in the right place.
Best Team Composition 
Main DPS
•Electro Characters: Characters like Keqing or Razor can benefit from the Cryo environment for Superconduct reactions, reducing physical resistance.
•Claymore Users: Characters like Diluc or Eula can take advantage of Andrius' susceptibility to Physical DMG, especially after applying Electro for Superconduct.
Sub-DPS/Support
•Pyro Support: Xiangling or Bennett can provide Pyro for Melt reactions if paired with Cryo characters, or heal and buff the team.
•Cryo Support: Kaeya or Rosaria for additional Cryo application or healing.
Healer
•Qiqi or Diona: Both provide healing and can apply Cryo, but Diona also offers shields which can be crucial.
Utility
•Sucrose or Venti: Their crowd control can be useful, though Andrius might be too heavy for Venti's lift. Sucrose's swirls can still spread Cryo effectively.
Strategies to Defeat Andrius
Understanding the Fight
•Cryo Immunity: Andrius is immune to Cryo damage, so focus on Physical, Pyro, or Electro damage.
•Wind Blasts: He frequently uses wind blasts, which can be dodged or blocked with well-timed shields or i-frames from certain abilities.
Phase 1
•Cyclone Attack: When Andrius summons cyclones, stay close to him or use the environment to dodge. Using Anemo skills like Sucrose's can disrupt these cyclones.
Phase 2
•Clones: Andrius creates clones that mirror his attacks. Focus on the real Andrius, identified by his glowing eyes or by the direction of his initial attack.
DPS Windows
•After Attacks: Andrius has moments after his attacks where he's vulnerable. Use this time to deal as much damage as possible.
•Using Superconduct: Lower his Physical Resistance with Electro to maximize physical damage from your DPS.
Reward Drops
Here are the potential rewards you can get from defeating Lupus Boreas:
•Primogems: You receive Primogems upon defeating Lupus Boreas for the first time each week.
•Mora: The in-game currency.
•Hero's Wit: Used for leveling up character talents.
•Local Specialties: Such as Philanemo Mushroom or Glaze Lily.
•Common Crystals: Like Luminous Sands from Mondstadt.
•Boss Materials: Specifically, Lupus Boreas drops materials used for character ascension and talent upgrades:
Hoarfrost Core (or its enhanced versions like Hoarfrost Crown)
Dead Ley Line Leaves
Spirit Locket of Boreas
Talent Books like "The Meaning of Aeons" or "Teachings of Ballad"
These materials are essential for ascending and enhancing characters like Kaeya, Chongyun, and others who require Cryo-related materials.
•Artifact Enhancement Materials: Such as Enhancer, Prism, or even a chance at a 5-star artifact.
Note: The exact drops can vary, but you are guaranteed certain items like the boss-specific materials (e.g., Spirit Locket of Boreas) and have chances at others. Remember, like all weekly bosses, Lupus Boreas can only be challenged once a week per account, resetting every Monday at 4:00 AM (server time). Note: For the most efficient farming, focus on defeating Lupus Boreas at least once a week. Using characters that can quickly and safely defeat him will help maximize your weekly rewards. Consider using characters with Cryo resistance or strong Cryo damage dealers to make the fight more manageable. |
Tips for Winning 
•Positioning: Stay in motion to avoid his wind attacks. Being near him can sometimes be safer than being caught in the cyclones or attacks from afar.
•Shielding: Characters like Zhongli or Noelle's shields can block wind attacks, giving you more time to attack safely.
•Elemental Reactions: Utilize reactions like Melt or overload to stagger Andrius or increase damage output.
•Healing Over Time: Since Lupus Boreas can inflict prolonged Cryo effects or large area damage, healers that provide sustained healing over time, like Barbara or Qiqi, can be very useful.
•Artifact Preparation: Equip artifacts that enhance Physical DMG or Elemental Mastery for reactions, depending on your team composition.
•Cooldown Management: Keep an eye on your character's skill and burst cooldowns. Timing your bursts when its shield is down or during its vulnerable states can significantly reduce fight duration.
•Use of Food: Before engaging, consider using food buffs like those that increase ATK, DEF, or elemental resistance, especially against Cryo.
•Focus on the Tail: During certain animations, focusing attacks on its tail can yield more damage due to its hitbox being a weak point.
•Post-Fight Strategy: After defeating Lupus Boreas, remember to use an Anemo character to swirl the Cryo aura on the ground for extra rewards or elemental particles.
Lupus Boreas' Reward Drops
•Teachings, Guide, and Philosophies of Prosperity: Materials used to level up talents.
•Wolf's Milk: Used for character ascension, especially for characters like Qiqi and Chongyun.
•Tallies: These are used in crafting certain bows and catalysts.
•Weekly Boss Materials: Including Wolf's Milk, which is crucial for character ascension.
Weekly Boss Mechanics
•Weekly Boss: Remember that Lupus Boreas, like other powerful bosses in Mondstadt, also appears in the Andrius, Dominator of Wolves weekly boss fight in the Trounce Domain - Wolf of the North Challenge. Here are some specifics for the weekly encounter:
•Resin Cost: Defeating him as a weekly boss costs 60 Original Resin, or 30 for the first three weekly bosses of the week.
•Additional Phases: In his domain form, Andrius has additional mechanics like summoning ice spikes around the arena or charging up for a massive AoE attack.
•Team Preparation: For the domain, having a well-rounded team that can handle both the shield phase and his aggressive attacks in the later stages is crucial.
•Loot: Apart from the Tail of Boreas, you might get other materials like Ring of Boreas and Spirit Locket of Boreas, along with the standard boss drop artifacts like Gladiator's Finale or Wanderer's Troupe.
Significance in Story
Engaging with Lupus Boreas not only provides materials for character ascension but also expands on the lore of Mondstadt, particularly its relationship with the Anemo Archon, Barbatos, and the ancient guardians of the region.
Fighting Lupus Boreas, whether as a Field Boss or within the Trounce Domain, tests player's understanding of elemental reactions, positioning, and timing, offering both a challenge and a lore-rich experience in Genshin Impact.
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