Mother Slime

Mother Slime is the first Incursion Boss. It appears after completing the Slime Cave Incursion, and serves as the opening major boss encounter for that progression path. The fight centers on a repeating attack cycle, with the boss alternating between movement, area denial, and summons as the battle continues.

Its behavior follows three main attacks in sequence. It can attempt to jump onto the player several times in a row, making sustained repositioning important. It also jumps and, on landing, creates circular rows of spikes with gaps between them; this pattern is repeated about three times before it switches to another attack. In its third pattern, it squishes down before jumping again and spawning several Warrior Slimes to pressure the player. As the fight goes on, Mother Slime becomes faster as it loses health, which makes later phases noticeably more dangerous than the opening.

Because of the growing speed, extra movement is one of the most important advantages in this fight. Speed-boosting trinkets, speed food such as a Cappuccino, a speed banner, and a speed potion all help keep up with its later attack patterns and make its jumps easier to avoid. Good positioning also matters, since the spike-ring attack leaves gaps that can be used to stay safe while maintaining damage.

• Keep moving whenever Mother Slime starts chaining jumps, since the attack is meant to catch players who stay in one place.
• Watch the spike-ring landing pattern carefully and move into a gap instead of trying to outrun the entire formation.
• Be ready to deal with Warrior Slimes quickly when they spawn, so they do not add extra pressure during the boss’s faster phases.
• Prioritize movement speed before the fight, since the boss’s speed increases as its health drops and the last portion of the battle is the hardest.