Characters & Quests
Project Solaris Characters Guide: NPC Quests & Events
Comprehensive guide to all NPCs in Project Solaris. Discover how to trigger side stories, meet Tetia, Croise, August, and Melchior, and unlock hidden scenes.
9/20/2026 Last updated: 9/20/2026
Character & Relationship Overview
While Project Solaris centers around the dynamic duo of Solaris and Hom, the vibrant cast of The Island directly shapes your trajectory through the 100 days trial. Interacting with key figures unlocks unique side stories, teaches secret spells, provides shop perks, and steers your ending route.
Hitting specific stat milestones or selecting particular event cards causes character-specific narrative encounters to appear in your morning draw.
Major Characters Profile
| Character | Role & Relationship | Key Unlocks & Benefits | Best Route Synergy |
|---|---|---|---|
| Tetia | Former Classmate & Prodigy Mage | Advanced incantations, spell slot expansions, magical duels | Academy Scholar / True Grand Mage |
| Croise | Solaris”s Doting but Demanding Mother | High-tier family relics, stamina recovery elixirs, morale boosts | True Grand Mage / Canon Ending |
| August | Nonchalant Town Shopkeeper | Shop discounts, rare catalyst supply, workshop crafting upgrades | Island Shopkeeper / Neutral Route |
| Melchior | High Council Member (“The Three”) | Official trial permits, high-stakes assessment bonuses, master perks | True Grand Mage / Best Ending |
| The Cloaked Stranger | Enigmatic Outcast with Hidden Agenda | High-risk forbidden grimoires, massive immediate gold influx | Alternative / Secret Branch Endings |
Detailed Questlines & How to Advance
Tetia: From Rivalry to Camaraderie
- First Encounter: Appears naturally around Day 12 at the Academy library card.
- Side Quest Milestone: On Day 38, Tetia challenges Solaris to a friendly spellcasting exhibition. Ensure Hom is equipped with wind or speed gear to withstand her barrage.
- Reward: Victorious players receive the Starlight Focus, boosting Solaris”s base spell power by 15%.
Croise: Earning Maternal Respect
- First Encounter: Croise sends routine check-in letters starting on Day 8.
- Side Quest Milestone: Between Days 50 and 55, Croise visits the residence unannounced for an inspection.
- Reward: Presenting a tidy workshop and a high Trust rating with Hom rewards the heirloom ring Matron”s Blessing, reducing daily stamina depletion by 10%.
August: The Reluctant Mentor
- First Encounter: Available from Day 1 by selecting any shop work card.
- Side Quest Milestone: Complete five distinct shifts to trigger August”s inventory ledger favor on Day 42.
- Reward: Unlocks the secret backroom crafting tier, granting access to high-potency elemental catalysts.
Melchior: The Council”s Eye
- First Encounter: Presides over the mandatory Day 30 benchmark examination.
- Side Quest Milestone: On Day 70, Melchior offers an optional advanced trial chamber challenge.
- Reward: Conquering the trial proves your worth as a bona fide Mage, solidifying your eligibility for the True Grand Mage ending.
characters npcs tetia croise melchior august