You start with limited generators that produce basic items (wood, iron).
As the event approaches its end, you need to transition from building to pure damage output.
This is where you "repack" your board for optimal efficiency. The goal is to maximize the number of cannons on your board.
Disclaimer: This guide is based on community strategies as of early 2026 and may be subject to changes based on game updates. If you want me to, I can: Give you a Create a "must-buy" upgrade list Provide a strategy for maximum gems sibling rivalry necromerger guide repack
Unlike the bee-focused NectarMerger, Sibling Rivalry is about balancing with Damage Output .
Sibling Rivalry is the second major weekly event in NecroMerger , unlocking at Devourer Level 32 (or 1st Prestige) and after scoring 100M in NectarMerger. Enid, the NecroMerger's sister, has invaded the armory, and it's your job to use cannons, floating weapons, and bombs to destroy her forces.
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Sibling Rivalry unlocks at after scoring at least 100m in the NectarMerger event. Your primary goal is to defeat invaders to earn high scores and exclusive rewards like the Enid skin (+10% Damage) and Knight Stone Tip Stone skin . Duration : 72 hours (3 days).
Look at the tasks or the highest-tier items needed. Focus on producing the components needed for those specific items, rather than wasting space on items you don't need.
(restart the event using a time machine or fresh run): The goal is to maximize the number of cannons on your board
Sibling Rivalry NecroMerger , the "repack" strategy focuses on maximizing your score by flooding the board with Level 1 Cannons and transitioning to high-point targets in the final hours Core Gameplay Loop The Cannon Meta : Build as many Level 1 Cannons as possible. Do
While you have multiple tools, the community's tried-and-true winning strategy is the . Here is the step-by-step blueprint:
This guide provides a comprehensive "repack" of top strategies to help you consistently score 7 million points or higher without spending gems, focusing on high-efficiency, F2P (Free-to-Play) tactics. 1. Core Principles of Sibling Rivalry
Do not try to merge your cannons to the max level immediately. A swarm of lower-level cannons often produces higher total damage per hour than one max-level cannon, because they don't share a recharge cooldown.