How to Rainbow Erinys
Updated:
Seven routes to a Rainbow Erinys: copies, kits and purple parts needed, and by which day.
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Kits and ranks
Erinys parts go from rank 1 to Rainbow by the same steps as any ST (see How to Rainbow an ST): rank 1 → 2 takes another copy of the part or a kit, rank 2 → 3 takes 2 purple parts, rank 3 → Rainbow takes a second rank 3 part or a rank 3 Core Kit.
| Item | What it does |
|---|---|
| Medium Upgrade Kit | Rank 1 → 2 in place of another copy of the part. Every extra part saves 1 Medium Kit. |
| Medium Core Upgrade Kit | Is raised to rank 3 itself: Core Kit (rank 1) + Medium Kit + 2 purple parts. Then it stands in for the second rank 3 part. |
| Limited Kit | Time-limited kit (stopwatch icon) of rank 2, 3 or Rainbow: raises a part to its own rank. |
| Purple fodder | Purple parts at rank 2: two of them raise a part from rank 2 to 3. |
Seven routes
“Day” is when Erinys reaches Rainbow. In the route tables a part has one or two chains; two chains that reach rank 3 merge into Rainbow.
| # | Day | Erinys | Medium Kits | Core Kits | Purple parts | Pull risk | Note |
|---|---|---|---|---|---|---|---|
| 1 | 36 | 2 | 0–2 | — | 8 | Yes | First ST obtained early. Best route if you don’t have, or want to save, Medium Core and Medium Kits. |
| 2 | 1 | 2 | 5–7 | — | 14–16 | Yes | First ST obtained early and you want Rainbow right away. Needs a lot of kits and at least 1000 points on Day 1. |
| 3 | 36 | 1 + extra part | 4 | 1 | 8 | No | Best route by Michu. Spends kits and takes 36 days. |
| 4 | 36 | 1 | 4 | 2 | 8 | No | Michu’s best route for when you were unlucky or got the ST early and there is no extra part. |
| 5 | 1 | 1 + extra part | 7 | 3 | 14–16 | No | Not recommended by Michu unless you want to play a maxed  Rosa: Judgement from Day 1. Needs a lot of kits and at least 1000 points on Day 1. |
| 6 | 6 | 1 + extra part | 6 | 2 | 12 | No | Not recommended unless you want to play a maxed Rosa: Judgement from Day 6. Needs a lot of kits and 600 pulls by Day 6. |
| 7 | 6 | 1 | 6 | 3 | 12 | No | Same verdict as route 6. |
- The risk is in pulling for a second Erinys. Routes 3–7 make do with one Erinys but spend kits.
- The 36-day routes go faster with top-ups.
- Routes 3–7: a total of 600 pulls can go to A5 for Rosa: Judgement (or 1–2 Tactician Ace Pledges) and to other pilots and ST, such as
Paloma. - Routes 2, 5–7: unused Limited Kits obtained later can be used on a different ST.
- Don’t use a Core Kit or Limited Kits to take an extra part to Rainbow: use two duplicate parts and Medium Kits instead.
Route 1: Day 36, two Erinys
Needs: 2 Erinys, 0–2 Medium Kits, 8 purple parts. Limited Kits: 2 each of rank 2, rank 3 and Rainbow. Upgrade any extra parts the way the legs and body are done below, then take the remaining parts to Rainbow with Limited Kits.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arms | 1st ST part + same part of the 2nd ST + Limited Kits rank 3 and Rainbow → Rainbow | — |
| Legs, body | 1st ST part + Limited Kit rank 2 + 2 purple parts → rank 3 | 2nd ST part + Medium Kit + 2 purple parts → rank 3 |
Route 2: Day 1, two Erinys
Needs: 2 Erinys, 5–7 Medium Kits, 14–16 purple parts. Limited Kits: rank 2 and rank 3.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arm 1 | 1st ST part + Limited Kits rank 2 and 3 → rank 3 | 2nd ST part + Medium Kit + 2 purple parts → rank 3 |
| Arm 2, legs, body | 1st ST part + Medium Kit + 2 purple parts → rank 3 | 2nd ST part + Medium Kit + 2 purple parts → rank 3 |
Route 3: Day 36, one Erinys and an extra part
Needs: 1 Erinys, 4 Medium Kits, 1 Core Kit, 8 purple parts. Limited Kits: 2 each of rank 2, rank 3 and Rainbow. The extra part in the example is the body.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arms | Part + Limited Kits rank 2, 3 and Rainbow → Rainbow | — |
| Legs | Part + Medium Kit + 2 purple parts + Core Kit rank 3 → Rainbow | — |
| Body | Part + Medium Kit + 2 purple parts → rank 3 | Extra body + Medium Kit + 2 purple parts → rank 3 |
Route 4: Day 36, one Erinys, no extra part
Needs: 1 Erinys, 4 Medium Kits, 2 Core Kits, 8 purple parts. Limited Kits: 2 each of rank 2, rank 3 and Rainbow.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arms | Part + Limited Kits rank 2, 3 and Rainbow → Rainbow | — |
| Legs, body | Part + Medium Kit + 2 purple parts + Core Kit rank 3 → Rainbow | — |
Route 5: Day 1, one Erinys and an extra part
Needs: 1 Erinys, 7 Medium Kits, 3 Core Kits, 14–16 purple parts. Limited Kits: rank 2 and rank 3. The extra part in the example is the body.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arm 1 | Part + Limited Kits rank 2 and 3 + Core Kit rank 3 → Rainbow | — |
| Arm 2, legs | Part + Medium Kit + 2 purple parts + Core Kit rank 3 → Rainbow | — |
| Body | Part + Medium Kit + 2 purple parts → rank 3 | Extra body + Medium Kit + 2 purple parts → rank 3 |
Route 6: Day 6, one Erinys and an extra part
Needs: 1 Erinys, 6 Medium Kits, 2 Core Kits, 12 purple parts. Limited Kits: rank 2, rank 3 and Rainbow. The extra part in the example is the body.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arm 1 | Part + Limited Kits rank 2, 3 and Rainbow → Rainbow | — |
| Arm 2, legs | Part + Medium Kit + 2 purple parts + Core Kit rank 3 → Rainbow | — |
| Body | Part + Medium Kit + 2 purple parts → rank 3 | Extra body + Medium Kit + 2 purple parts → rank 3 |
Route 7: Day 6, one Erinys, no extra part
Needs: 1 Erinys, 6 Medium Kits, 3 Core Kits, 12 purple parts. Limited Kits: rank 2, rank 3 and Rainbow.
| Part | 1st ST chain | Second chain |
|---|---|---|
| Arm 1 | Part + Limited Kits rank 2, 3 and Rainbow → Rainbow | — |
| Arm 2, legs, body | Part + Medium Kit + 2 purple parts + Core Kit rank 3 → Rainbow | — |
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