This Anomaly

For this Knight 1, breaking the Quantum or Fire weakness is key. Your current team has dispersed elements, making it less efficient, so try adding a Fire element character to tackle the gimmick.

All the PlayO people here are talking to this AI without knowing it's dumb, but I usually turn off the AI or ignore it when it accidentally turns on.

Are the characters you've raised the Saber, Suben, Cypher, and Sparkle mentioned below? I'll explain based on that for now. I know it's the Eun-gu & Sparky, Eva & Huan-cheok set, but I heard your party changed after reaching Knight 2 stars. For reference, I've reached Knight 9 stars with low-cost parties. I tried everything in Room 1 out of boredom, and I felt it would be very difficult without Archer & Lin when sending them to Memory of Bliss 2 and 3. If you have Trivi at 1 dupe, placing them in the order of Jere, Deng-hwang, Sparkle, Trivi might be good, but I've never used Jere myself, so I'm not sure based on info alone. There's also info that Jere is a Nicador one-trick. If you ditch Jere and raise Suben later, you can probably clear it with Sparky, Huan-cheok, and Deng-hwang as they are. Suben has better stats than Eun-gu and Eva, and Suben's efficiency increases more for all three based on 4-star Light Cones. Seeing Sparky's speed at 132, you might not know the speed cut-off, but if you set it to 134, it's better whether used as main or sub-DPS. If you just get the speed cut-off right, you can clear end-game content even without dupes.

The speed breakpoints are different for special characters, but for 90% of them, you can refer to this table. If you have 100/120/134/160/Dance Dance Dance R5 in your party, it's 168/180/200. And later, you need to calculate all speed buffs based on combat, etc. 100 is for Archer or Black Swan, 120 is for Blade or Bronya, or Ruan Mei with relics equipped. 134 is the average. For reference, if you're not aiming for a 0-cycle clear, DoT and Break characters, whether DPS or support, all need to be 160-165 in both parties (8 characters). 180 is for those with Harmony or Preservation Light Cones, otherwise 200. 200 is for Huohuo. There's a difference between 180 and 200, but it's not huge. Also, since Honkai: Star Rail has many Crit DMG buffs, you absolutely must aim for 90% Crit Rate based on combat. The golden ratio for the best Crit stat calculation is having half the Crit Rate as Crit DMG. This applies to other games too. For example, if Crit Rate is 60%, Crit DMG should be 120%. If Crit DMG is 180%, Crit Rate should be 90% based on combat. That's stronger than 220% Crit DMG with 60% Crit Rate. But this is Honkai: Star Rail, not Genshin, so just forget the calculation formula and make sure your DPS and sub-DPS have 90% Crit Rate in combat.

For this Robin's speed, it varies by team, so even I and the strategy YouTubers aren't sure. What's certain is that higher speed is better, and 160 seems to be the baseline. For Robin's speed, you need to look at the Memory's speed, not Robin's own. Studying Honkai: Star Rail is surprisingly fun, so Skull-nim should try it too. By the way, in Knight or Abundance/Preservation paths (not Checkmate), it's beneficial to place Abundance/Preservation between two characters who need Energy Regeneration Rate! This is based on when you receive AoE attacks. If you're using a Ruan Mei team, place the healer/tank in the 2nd slot. Sparkle, who doesn't need ATK% like Silver Wolf, receives ATK%, so place the ER-needing Light Cone in the 3rd slot. With Sparkle in slot 1, Huohuo in slot 2, Silver Wolf in slot 4, and if Huohuo has the 'Before Breakfast' Light Cone, she can restore ER for Sparkle and herself with her skill. In Star Rail, aggro values exist: Abundance and Destruction are 6, Preservation is 7. Placing them between characters who need ER will make them take hits, but it regenerates ER. Gepard's or Fu Xuan's Light Cones have an aggro value of at least 8. Other Paths are 5, and the higher the number, the higher the chance of being targeted.