Intro
Eula is the Captain of the Knights of Favonius Reconnaissance Party (Google said it's a "military observation of a region to locate an enemy or ascertain strategic features," "preliminary surveying or research." So basically, she's like the Scout Captain?). The existence of Eula causes drama on a certain platform at one point, but miHoYo is very much adept at making people simp for her.
Make Eula sneeze, and make her dance. Deng, the Devs surely know how to sell their characters!
Conclusion (TL;DR)
For Eula, here are some of the best items players can utilize for DPS Eula's build.
Best ๐rtifacts for Eula:
1. 4-Pale Flame
2. 2-Bloodstained Chivalry + 2-Pale Flame
3. 4-Gladiator's Finale
4. 4-Blizzard Strayer
5. 2-Bloodstained Chivalry + 2-Noblesse Oblige (or 2-Pale Flame + 2-Noblesse Oblige)
Best Weapons for Eula:
1. The Unforged (100% shield uptime)
2. Wolf's Gravestone
3. Song of the Broken Pines
4. Skyward Pride
5. Serpent Spine (Better than Skyward if full stack can be maintained)
6. Blackcliff Slasher
7. Snow-Tombed Starsilver
8. Prototype Archaic
Edit: Refer to Comment 52F for the edit.
Some things I found
Other than the interesting conclusions, here are some things that I think are important as well:
1. Eula has poor Energy Regeneration.
๐ธ ๐๐๐ ๐น ๐ด๐๐๐๐๐ข ๐ฟ๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ด๐๐๐'๐ ๐๐๐๐๐
2. Lightfall Sword appears ~1 second after Eula casts her Burst. Afterward, it will follow her for seven seconds.
๐๐๐๐ ๐๐๐๐๐๐ ๐๐ ๐ป๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐
3. However, if Eula's Elemental Burst (initial Cryo Damage) hits an enemy, it adds one stack to the Lightfall Sword, despite the Sword not yet appearing.
4. Multi-hit adds one charge to the Lightfall Sword (Eula's third and fifth hits)
5. Because the Lightfall Sword explodes ~9 seconds after casting Eula's burst, using Eula's Hold Skill before using her Burst might nullify the Resistance Reduction upon explosion.
6. Therefore, the sequence I found is best would be:
1. Hold Skill.
2. Burst.
3. Tap Skill (Skill CD Reset after casting Burst.)
4. Hold Skill (The Sword would explode right after casting the Hold Skill.)
Please note that it's a result of first-day test (and I'm not a frame expert). So take this with a grain of salt.
5. When using Eula's Hold Skill, the Resistance Reduction comes before the damage. So the Hold Skill damage will enjoy the effect as well.
6. Eula's cape glows according to Grimheart stacks.
๐ด๐๐๐ ๐ถ๐๐๐๐๐๐๐๐ ๐๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐
7. Maintaining 4-Pale Flame's stack is better than Resistance Reduction from Eula's Hold Skill.
8. Eula's Charged Attack does not increase her Burst's Stack. (Need help confirming this, tho!)
Choosing the Weapon
8 different weapons will be tested on Eula
1. The Unforged
โข Will be assumed in a full stack with shield, giving +40% Attack.
2. Skyward Pride
โข Passive will be considered.
3. Wolf's Gravestone
โข +40% Attack Passive will not be considered but will be mentioned.
4. Song of the Broken Pines
โข "Millennial Movement" Passive will not be considered but will be mentioned.
5. Serpent Spine
โข +30% Damage Buff is always active.
6. Blackcliff Slasher
โข +36% Attack is always active.
7. Snow-Tombed Starsilver
โข Passive will be simulated to proc every 15 seconds.
8. Prototype Archaic
โข Passive will be simulated to proc every 30 seconds.
Choosing the Artifact
The tested main stat is Attack/Physical/Crit. 5 Artifacts will be tested:
1. 4-Pale Flame
2. 2-Bloodstained Chivalry + 2-Pale Flame
3. 4-Gladiator's Finale
4. 4-Blizzard Strayer
5. 2-Bloodstained Chivalry + 2-Noblesse Oblige (or 2-Pale Flame + 2-Noblesse Oblige)
Final Stat
Note: 4-Pale Flame's 2 stack effect is active in this table.
Simulation and assumptions
1. Eula is lv90, talent lv8, C0.
2. The enemy is one lv80 Hilichurl.
3. Critical Rate will be simulated at 60%. All hits crit.
4. Eula's first passive will not be considered.
5. The test will be done in a ~62.5 seconds simulation that goes like this:
Non-ER Sequence:
Tap Skill (1 second)
Normal (4.5 seconds)
Hold Skill (1 second)
Burst (1)
Tap Skill (1)
Normal (4.5)
Hold skill (1)
Burst explodes
Normal (9)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Tap Skill (1)
Normal (4.5)
Hold Skill (1)
So that's:
Tap Skill = 9
Hold Skill = 2
Normal Attack Sequence = 11
Burst = 1
Lightfall Stack = 8
While for Skyward Pride, it will look like this:
Tap Skill = 7
Hold Skill = 4
Normal Attack Sequence = 11
Burst = 2
Lightfall Stack = 16
Note: Some adjustments are done to accommodate Resistance Reduction from Eula's Hold Skill, and the 4-Pale Flame effect is also considered to be inactive in some parts of the calculations (7 seconds after using Hold Skill).
Eula Artifact and Weapon
Damage Overview
Without Resistance Reduction from Eula's Hold Skill:
With Resistance Reduction from Eula's Hold Skill:
Simulation Result
Simulation Result if SotBP and WGS's passive is active:
Note: Pines' attack speed passive is disregarded.
Simulation Result if no stack is active:
Note: No stack on The Unforged, Serpent Spine, and Blackcliff Slasher.
Simulation Result Explanation
On the normal calculation, you can see that The Unforged has the highest number in DPS (14118). It's quite surprising as the claymore is disappointing for Noelle.
I also tried giving The Unforged +20% Attack bonus instead of +40% (Full-stack but no shield), and it still surpassed Broken Pines (13321, and 13165, respectively).
Edit: Thank you to Regal on Discord for correcting this part! When calculating Pale Flame without 4-set effect, I accidentally kept the +40% Attack bonus on The Unforged. The damage should've been identical to WGS.
Other than that, it appears that Skyward Pride performs brilliantly (14095). Eula's role as a Burst Damage Dealer is amplified by the weapon's Energy Recharge substat.
Edit: However, in an extended test (5 Burst for Pride, 4 Burst for the rest), Skyward Pride performs less than the other 5-stars. Refer to comment 52F for more info. Credit to SoftiePlays for this insight!
As for the 4-stars, Serpent Spine easily takes the top spot (13595). This weapon remains the best between the other 4-stars even with zero stacks (11844), better than STSS (11749) and PA (11269).
Blackcliff Slasher on zero stacks (11823) also surprisingly performed better than STSS and PA. This means, between the 4-stars weapon, it can be ranked as such:
Best 4-stars weapon for Eula:
1. Serpent Spine
2. Blackcliff Slasher
3. Snow-Tombed Starsilver
4. Prototype Archaic
The 5-stars weapons are trickier since WGS and Broken Pines' passive does not have a 100% uptime.
Furthermore, the 5-stars weapons are pretty close to each other in numbers. However, i'd generalize it like this:
Best 5-stars weapon for Eula:
1. The Unforged
2. Wolf's Gravestone
3. Songs of the Broken Pines
4. Skyward Pride
As for the artifact, it's obvious 4-Pale Flame is the best for Eula. Other than that, there are also other alternatives:
Best ๐rtifacts for Eula:
1. 4-Pale Flame
2. 2-Bloodstained Chivalry + 2-Pale Flame
3. 4-Gladiator's Finale
4. 4-Blizzard Strayer
5. 2-Bloodstained Chivalry + 2-Noblesse Oblige (or 2-Pale Flame + 2-Noblesse Oblige)
Personal Opinion
It appears that Broken Pines can be outdone by other weapons for Eula. This may be pleasant news since some people had thought that the claymore would power creep other weapons (Kudos to the Devs for making it balanced!).
Although the performance is outdone by other weapons, it should be noted that Broken Pines buffs the whole team, so it can be a higher increase in overall DPS. The same can be said about Wolf's Gravestone (Thanks to ottoattack for mentioning WGS's passive!). So Broken Pines is not at all bad, but it's not really the ๐ถ๐ญ๐ต๐ช๐ฎ๐ข๐ต๐ฆ best.
Edit: Also, Broken Pine's base attack allows higher addition if there's Attack Buff active. So put that into consideration as well.
I'm genuinely surprised that The Unforged is great for Eula. This Liyue series weapon often disappoints because it only focuses on attack. But with Eula's base attack (342), The Unforged is able to work perfectly.
However, my personal favorite would be Skyward Pride. I love having ER, and the fact that this weapon enhances ER and supports Eula's damage, it will definitely be my go-to (If I have Eula and Skyward Pride, LOL).
As for the Artifacts, the result is completely predictable. However, I'd personally go for 2-Bloodstained + 2-Pale Flame over 4-Pale Flame, simply so I don't have to worry about stacks.
Edit: However, if you have C2 Eula, 4-Pale Flame is the ๐ข๐ฃ๐ด๐ฐ๐ญ๐ถ๐ต๐ฆ best. With this constellation, you no longer have to worry about stacks. Thank you to Oddwan for suggesting this addition!
And that's all for Eula's best build! My hands have been hurting for the past 3 weeks, so excuse the low effort xD
As usual, if you have any feedback and questions (or if you spot anything wrong), please don't hesitate to leave a comment! They're always appreciated.
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