Last and First Principlesv3.6
Stories and challenges of Last and First Principles will be available during the event. Complete challenges and event tasks to obtain Deductive Step, and exchange for rewards in the event shop.
Entry requirement
Complete the main story 1ST-16 Heaven Apostles .
What the event contains
Stories and challenges of Last and First Principles will be available during the event. Complete challenges and event tasks to obtain Deductive Step, and exchange for rewards in the event shop.
Event tasks (5)
- The Observer's Checklist
- Complete Stage in Story Mode.
- Spend "Deductive Step" in [Cryptography Team].
- Complete Stage in Hard Mode.
- Complete Stage in Hard Mode with a 2-star rating.
Main rewards
Clear DropDeductive Step
Event shop (31)
What the event shop sold, what each item cost and how many you could buy. Taken from the event's own data, so you can plan a re-run instead of guessing.
| Item | Cost | Purchase limit |
|---|---|---|
| The Riddle's Limit Psychube | 5,000 Deductive Step | 1 |
| Gluttony | 8,000 Deductive Step | 1 |
| Unilog | 700 Deductive Step | 2 |
| Crystal Casket | 4,000 Deductive Step | 1 |
| Walking Terror | 800 Deductive Step | 3 |
| Watch Core | 350 Deductive Step | 8 |
| Incorrupt Monkeypaw | 280 Deductive Step | 8 |
| Sonorous Knell | 800 Deductive Step | 5 |
| Last and First Principles(Item) | 800 Deductive Step | 1 |
| Bottom of the Puzzle Icon | 700 Deductive Step | 1 |
| Garden of Riddles I Icon | 280 Deductive Step | 1 |
| Simple Vision Blocks | 1,000 Deductive Step | 2 |
| Brief Cacophony | 280 Deductive Step | 8 |
| Old Ticket | 160 Deductive Step | 28 |
| Bifurcated Skeleton | 120 Deductive Step | 15 |
| LF Polarization | 160 Deductive Step | 10 |
| Moment of Dissonance | 110 Deductive Step | 10 |
| Cicada Wings | 40 Deductive Step | 20 |
| Perpetual Cog | 50 Deductive Step | 20 |
| Wilderness Shell | 110 Deductive Step | 60 |
| Sharpodonty | 110 Deductive Step | 80 |
| Enlighten II | 80 Deductive Step | 25 |
| Dust | 70 Deductive Step | 90 |
| Spell of Banishing | 10 Deductive Step | 25 |
| Trembling Tooth | 20 Deductive Step | 25 |
| Silver Ore | 10 Deductive Step | 25 |
| Old Ticket | 750 Deductive Step | ∞ |
| Salted Mandrake | 510 Deductive Step | ∞ |
| Perpetual Cog | 230 Deductive Step | ∞ |
| Sharpodonty | 10 Deductive Step | ∞ |
| Dust | 10 Deductive Step | ∞ |