Do not merge the final "Wedding Cake" (level 6) unless you have 2 of them. A single level 5 Royal Feast fed 4 times gives more points than one level 6 cake fed once.
Unlike the main game, keeping a swarm of low-level Cannons is far superior to merging them into high-level ones. Only merge Cannons when you completely run out of board space. sibling rivalry necromerger guide repack
: Keep your Anvils at Level 3 for the most efficient balance of musketeers and weapons. Avoid the Level 1 Anvil late game as it wastes Iron that could be used for higher-score targets. Do not merge the final "Wedding Cake" (level
This guide focuses on overcoming the "Rival" challenges—boss fights where the enemy utilizes mechanics similar to the player (summoning minions, building power over time). These fights are the primary difficulty spikes in the mid-to-late game. Only merge Cannons when you completely run out
Unlike the bee-focused NectarMerger, Sibling Rivalry is about balancing with Damage Output .