To clear Level 120 and secure 100% campaign completion in Grow Empire: Rome, you must field four fully leveled heroes, cap your wall fortifications, and execute a disciplined troop deployment cycle. Level 120 sends elite infantry, armored siege rams, and rapid cavalry that will breach your defenses if your heroes and artillery are not properly coordinated.
Level 120 Preparation Benchmarks
Before launching the final invasion or defending against endgame revolts, confirm your fortifications and troop tiers meet the requirements to survive continuous enemy waves.
| Component | Target Milestone | Tactical Function |
|---|---|---|
| Wall & Tower | Maximum level cap | Prevents instant breaches from enemy siege engines and heavy rams. |
| Hero Roster | 4 max-level heroes | Provides rapid ability cooldowns, damage buffs, and frontline crowd control. |
| Frontline Troops | Max Legionaries or Spearmen | Absorbs opening cavalry charges and holds enemy units away from the gate. |
| Tower Artillery | Heavy Ballistas and Catapults | Eliminates enemy clusters and damages heavy siege units before contact. |
Constructing the Four-Hero Endgame Roster
Station four maxed heroes on your battlements to cover specific combat functions. Maxing their levels reduces skill cooldowns, allowing you to cycle abilities continuously during prolonged wave assaults.
- Frontline Controller: Use a melee hero with stun or knockdown abilities to halt advancing cavalry and battering rams immediately outside your gate.
- Mass AoE Specialist: Equip a hero with broad area-of-effect damage to clear dense packs of foot soldiers once they cluster at your frontline.
- Archer and Wall Buffer: Select a support hero who increases wall archer attack speed, range, and critical strike chance to thin enemy lines from a distance.
- Single-Target Executioner: Bring a dedicated burst-damage hero to eliminate enemy generals, siege beasts, and high-health commanders.
Do not activate all hero skills simultaneously at the start of a wave. Hold crowd control and burst abilities until the enemy vanguard makes contact with your frontline troops to avoid wasted damage.
Countering Hard Rebellions in Conquered Colonies
Once you expand across the map toward 100% invasion, conquered settlements trigger Hard Rebellions featuring immediate wave spawns, armored siege towers, and aggressive commanders. A failed defense locks territorial tribute and interrupts passive gold generation until you reconquer the colony.
- Check Cooldowns First: Never enter a Hard Rebellion defense immediately after a tough battle if your primary hero abilities are still recharging.
- Stagger Defensive Buffs: Trigger defensive war cries only when the enemy’s secondary wave meets your defensive line, ensuring maximum coverage during peak incoming damage.
- Target the Rebel Commander: Direct single-target hero burst damage at the rebel leader. Defeating the commander breaks the remaining enemy formation and reduces their overall offensive pressure.
Fortress Assault Deployment Sequence
Conquering the Level 120 stronghold requires a controlled deployment rotation rather than spamming units, which depletes deployment stamina and leaves your siege weapons vulnerable.
- Deploy Heavy Infantry: Send Roman Legionaries or heavy spearmen first to absorb arrows and catapult fire from enemy battlements.
- Send Heavy Cavalry: Release cavalry directly behind the frontline to intercept flanking defenders and break the enemy's forward shields.
- Bring Up Artillery and Archers: Roll out siege engines and archer cohorts once your infantry successfully locks enemy defenders outside their gates.
- Activate Speed Horns: Trigger your movement and combat speed horn as your vanguard hits the hostile gate to destroy the structure before reinforcements arrive.
Tower Artillery and Gold Prioritization
Mount heavy ballistas on upper tower mounts to snipe high-priority targets like siege engines, war elephants, and armored officers. Place boulder catapults on secondary mounts to deal splash damage across incoming infantry lanes.
Direct all incoming colony gold into maxing your four core heroes first, as their stat scaling and cooldown reductions provide the highest return per coin. Once heroes are capped, invest surplus gold into wall hit points, archer attack speed, and colony fortifications to stabilize your economy and fund the final invasion.
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I wish I had read this before upgrading the wrong thing.
This guide answered the exact question I had.
The explanation is clear, especially for beginners.
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