Soul Bond Guide — Team Synergies & Bonuses
Updated 2026-06-04
Soul Bond System in Illusion Connect Re
Soul Bonds are one of the most important team-building mechanics in Illusion Connect Re. When specific Illusionists are deployed together, they activate passive bonuses that can dramatically increase your team's combat effectiveness. This guide covers everything you need to know about the Soul Bond system.
How Soul Bonds Work
Each Soul Bond is triggered by having two or three specific Illusionists in your active lineup simultaneously. The bond effect is applied team-wide and lasts for the entire battle. Bonds can grant stat bonuses (ATK%, DEF%, HP%), unique mechanics (crit immunity, lifesteal), or special effects (bonus action, damage reflect).
| Bond Name | Illusionists | Effect | Rating |
|---|---|---|---|
| Frost & Flame | Yuki Onna + Miyuki | +15% Crit Rate for Sorcerers | S-Tier |
| Guardian Oath | Phoebe + Anna | +20% DEF + 10% Healing | S-Tier |
| Shadow Dance | Maki + Gemmy | +25% Bleed Damage | A-Tier |
| Iron Wall | Kiraya + Diana | +30% DEF when HP < 50% | A-Tier |
Building Around Bonds
When constructing your team, aim to activate 2-3 soul bonds with your 5 Illusionist slots. Do not sacrifice individual unit quality just to activate bonds. A team with mediocre units and great bonds will still lose to a team with strong units and one good bond. Refer to our Best Team Compositions for proven bond-based lineups.
Bond Progression
Bonds can be upgraded by increasing the intimacy level of the paired Illusionists. Higher intimacy unlocks additional bond tiers with stronger effects. Check our Character Role Guide to learn which Illusionists have the best bond scaling for late-game content.
FAQ
- How many Soul Bonds should I activate?
- Aim for 2-3 bonds in your 5-unit lineup. More than that requires sacrificing too much individual unit strength.
- Can I see which bonds are active during battle?
- Yes. Active bond icons appear above your formation at the start of battle. Tapping them shows the detailed effect.
- Are bonds more important than individual unit strength?
- No. A single S-tier unit with good gear is worth more than two C-tier units that activate a bond. Prioritize strong units first, then optimize bonds.