Chapter 8

Prep Checklist

• Bring at least one Wind attacker (Falcomon → Peckmon or Angoramon → Lamortmon) to exploit Sovereign’s weakness.
• Equip Doom Ward or Chrono Band upgrades to negate the Nexus Sovereign’s Doom countdowns.
• Carry 5 Seal Healer items and 3 SP Spray EX for long-wave survival in Voidlink engagements.
• Install Memory Chips Sigma and Omega+ before entering to field Ultimates/Megas with support coverage.
• Craft Sovereign Breaker programs using Sovereign Core Alloys to strip shield phases quickly.

Route Breakdown

1. Frontier Staging. Brief with Mirei; unlock Convoy Escort vs. Voidlink Disruptor routes, receive Nexus deployment key.
2. Convoy Escort. Protect three evac waves, defuse trap points, and maintain convoy health above 60% to secure affinity bonuses and optional scene.
3. Voidlink Disruptor. Fight Elite Voidspawn arenas, activate disruptors (North, East, West) to lower Sovereign defense and gather Sovereign Core Alloy.
4. Void Disruptors (Optional). Activate all three to disable the boss enrage timer and earn Memory Chip Omega+.
5. Kaho Leadership Event. Reconvene teams, trigger the morale speech cutscene, and gain Strategist affinity +10.
6. Nexus Heart. Solve the rune alignment puzzle (Wind → Light → Neutral) to open the Sovereign chamber and disable auto-turrets.
7. Boss: Nexus Sovereign. Opens with Sovereign Pulse; phase transitions at 75%, 45%, 20% HP with shield resets; enrage triggers Doom countdown unless disruptors active.
8. Aftermath. Watch evacuation finale, gain Sovereign data shards, unlock post-game Gauntlet mode, and enable Mega evolution routes.

Choice Outcomes

Decision	Immediate Outcome	Long-Term Impact
Convoy Escort first	Optional evacuation scene, +5 Supporter affinity	Unlocks Supporter tactic “Guardian Rally” for final boss
Voidlink Disruptor first	Sovereign Core Alloy, disruptor progress	Enables Sovereign Breaker programs and disables enrage when all three are active
Activate all disruptors	Memory Chip Omega+, enrage disabled	Allows safe-phase farming and best clear times
Skip disruptors	Faster boss access but enrage triggers at 30% HP	Lose Omega+ upgrade and face Doom countdowns
Keep convoy health ≥60%	Unlocks optional scene and +800 Bits reward	Grants civilian support buffs in post-game Gauntlet

Boss Data: Nexus Sovereign (Frontier Apex)

HP	6,780	Shield resets at 75%, 45%, 20% HP
Element	Light/Dark hybrid	Deals Light bursts with Dark siphons
Weakness	Wind (+40%)	Wind crits nullify Doom timers
Resistances	Earth (-40%), Dark (absorbs)	Immune to Poison; halves Seal duration
Speed	158	Acts first unless you reach 190+ SPD
Notable Moves	Sovereign Pulse, Doom Signet, Gravity Collapse	Doom Signet applies 3-turn countdown; cleanse or Wind crit to dispel

Collectible Details

• Sovereign Core Alloy: Dropped after clearing all Voidlink disruptors; used to craft Sovereign Breaker programs and Mega accessories.
• Memory Chip Omega+: Reward for activating all disruptors; raises memory cap by 6.
• Sovereign Data Shards: Awarded post-boss; 100% scan unlocks Mega evolution quests.
• Evacuation Scene: Keep convoy health ≥60% to unlock emotional wrap-up and Supporter affinity.
• Kaho Leadership Event: Guarantees Strategist tactic “Heroic Command” for the finale.