B-U4D
WorkerRare
B-U4D is a Rare Worker droid. Rebirths ask for it 4 times across all 5 paths. The highest tier any path asks for is Kyber.
Game version 1.33Checked Oct 8, 2026
Rebirths that need B-U4D
| Path | Rebirth and minimum tier |
|---|---|
| Path 1 | |
| Path 3 | Rebirth 36 Kyber |
In fusion, it goes into FUS-3. All fusion recipes
Income per tier
Credits per second in a slot, before your multiplier. A droid in its own class's area earns 10% more. Chips is the upgrade cost into that tier from the one before it. Default to Kyber: 2,590 chips.
| Tier | Income | Chips |
|---|---|---|
| Default | 58/s | – |
| Gold | 116/s | 30 |
| Diamond | 232/s | 60 |
| Rainbow | 464/s | 100 |
| Beskar | 696/s | 250 |
| Galactic | 1.39K/s | 400 |
| Stellar | 1.86K/s | 750 |
| Kyber | 2.04K/s | 1,000 |