Quid Pro Quo
Quid Pro Quo is a 4★ Light Cone for the Path of Abundance in Honkai: Star Rail.
As a 4-star cone, its passive of restoring 8 Energy each turn to a low-Energy ally speeds up the team's ultimate uptime, making it a solid pick for Abundance Path units, though it remains an indirect support effect rather than a top-tier signature piece.
Quid Pro Quo is a Light Cone for the Abundance Path. Ranked A on the Light Cone tier list. Best paired with Huohuo. Needs 7 material types to reach Lv.80.
Last updated: 31/07/2026
The figures on this page come directly from gamevika's internal game data store (counted/read straight from the real records), not an estimate or copy from elsewhere.
Effect
At the start of the wearer's turn, regenerates 8 Energy for a randomly chosen ally (excluding the wearer) whose current Energy is lower than 50%.
Base Stats (Lv80)
| Lv. | HP | ATK | DEF |
|---|---|---|---|
| 1 | 43 | 19 | 18 |
| 20 | 166 | 74 | 69 |
| 30 | 160 | 71 | 67 |
| 40 | 229 | 102 | 95 |
| 50 | 298 | 132 | 124 |
| 60 | 367 | 163 | 153 |
| 70 | 436 | 194 | 182 |
| 80 | 505 | 225 | 211 |
Best Characters
A solid build option for Huohuo (not the #1 pick, but still in the recommended group).
Ascension Materials
Characters who use this
Story
After enjoying an intense massage from the dragon girl, the foxian girl held out her hand and playfully pinched the dragon girl's little chubby cheeks. The little girl then pouted her lips, clearly offended, only to elicit a gleeful giggle from the foxian girl. "Now that's what I call a proper quid pro quo."
Alternative cones on the same Path
Trivia & Origins
HoYoverse's own game data has no gacha table pairing this cone with a specific character, and the internal flavor text doesn't name one either — not enough evidence to assign a signature owner, no guessing.
Notable Translation Difference
EN uses the Latin legal idiom "Quid Pro Quo" instead of a literal rendering; JP「等価交換」, KO「등가교환」 and zh-tw「等價交換」 all keep the original term "Equivalent Exchange" (the well-known alchemy term) — only the EN version swaps in an unrelated idiom.
Frequently Asked Questions
What does Quid Pro Quo do?
At the start of the wearer's turn, regenerates 8 Energy for a randomly chosen ally (excluding the wearer) whose current Energy is lower than 50%.
What does Quid Pro Quo do at Superimposition 5 (S5)?
At the start of the wearer's turn, regenerates 16 Energy for a randomly chosen ally (excluding the wearer) whose current Energy is lower than 50%.
Who should use Quid Pro Quo?
Based on cross-source consensus builds, this cone works best on: Huohuo, Gallagher.
How many materials does it take to ascend Quid Pro Quo to Lv.80?
You need 7 material types and 308,000 Credits to ascend the cone to Lv.80 (see the table above for details).
How to read this Light Cone page
Every Light Cone has exactly one passive effect tied to the wielder's combat performance; that effect scales up as you Superimpose it from S1 to S5 — use the S1-S5 buttons above to see the exact numbers at each level instead of guessing or interpolating. A Light Cone only delivers its full value on a character who shares its Path; "Characters who use this cone" lists every character on that Path, while "Best users" is a narrower list pulled from real build consensus, not a guess.
Base stats (HP/ATK/DEF) are shown at Lv80 for every cone of the same rarity so they can be compared directly; a 5-star cone will always edge out 4-star and 3-star ones here — the real difference lives in the passive effect, not the flat stats. The "Alternative cones on the same Path" section suggests a few other options if you do not own the signature cone yet, or want to compare before spending ascension materials.
See the full list on the Light Cones page, or check terms in the HSR Glossary.












