Summoning items are items that are used to summon enemies, bosses and events. Most bosses will usually not spawn on their own, therefore requiring the player to create their summoning item in order to progress.
|Sandstorm's Core||Great Sand Shark|
|Super Dummy||Super Dummy||
|Torrential Tear||Rain (toggle)||
|Caustic Tear||Acid Rain||
|Arid Artifact||Sandstorm (toggle)||
|Blood Relic||Blood Moon||
- Most boss-summoning items are not consumable, and can be used an unlimited amount of times. This excludes the Titan Heart, Ashes of Calamity and Bloodworm.