Lucky Defense! Invasion Mode Clear Guide

To clear Invasion mode in Lucky Defense!, you must build a three-part formation consisting of crowd control units at the primary turn bend, armor-shredding debuffers, and dedicated Mythic or Immortal carries backed by mana generation. Success requires establishing your main carry before wave 30, pairing it with two defense shredders, and funneling your upgrades exclusively into that carry's damage type.

Core Team Composition and Roles

Invasion waves feature steeper health scaling and faster boss rushes than standard waves. Relying solely on raw damage causes late bosses to push past your defenses, while unbuffed Mythics lack the damage output to clear clusters alone. Dedicate your board slots to specific functional roles that keep enemies clustered and remove their natural armor.

A single carry supported by Eagle General, Hunter, and Kitty Mage will consistently outperform a board filled with unbuffed damage dealers.

Board Placement and Choke Point Management

To maximize damage efficiency, place your crowd control directly adjacent to the first turn bend of the track. Placing stun units such as Shock Robot and Coldy at this initial corner halts incoming monsters immediately, stacking waves on top of each other so area-of-effect abilities strike maximum targets.

Arrange the rest of your board around this forward choke point:

• Inner Grid Tiles: Place your primary carries and buffers directly behind the front-line stun units to keep the kill zone within their attack range.
• Central Junction: Position Kitty Mage in a central tile where its mana-generating aura reaches your primary carries without occupying perimeter track space.
• Avoid Outer Edges: Do not place utility units or short-range supports on exterior tiles where their range cannot cover the monster travel path.

If a boss slips past the initial turn with more than half of its health remaining, shift your stun priority to intercept it at the second turn before it reaches the end of the track.

Summon Milestones and Upgrade Priorities

Managing summons and Lucky Stones requires balancing early recipe preparation with strict late-game investment:

1. Build Early Foundations: Do not gamble Lucky Stones on low-percentage summons during initial waves. Use early summons to establish the Rare and Epic units needed for Mythic recipe requirements.
2. Secure the Wave 30 Benchmark: Aim to summon your primary damage dealer before wave 30, then immediately summon at least two defense-shredding units like Eagle General and Hunter.
3. Manage Board Capacity: Sell or merge non-essential Common units that do not contribute to desired recipes to free up board space for secondary stuns or buff units.
4. Target Your Upgrades: Funnel gold and upgrade currency entirely into the specific damage type—physical or magical—used by your main carry. Splitting upgrades across multiple unit types dilutes your total damage and causes your team to fall behind boss health scaling.