Alien Technology

D&D 2024 rule: Alien Technology. Source: Dungeon Master's Guide (2014). rule type Optional When adventurers find a piece of technology that isn't from their world or time period, the players might understand what the object is, but the characters rarely will. To simulate a character's ignorance about the technology, have the character make a series of Intelligence checks to figure it out. To determine how the technology works, a character must succeed on a number of Intelligence checks based on the complexity of the item: two successes for a simple item (such as a cigarette lighter, calculator, or revolver) and four successes for a complex item (such as a computer, chainsaw, or hovercraft). Then consult the Figuring Out Alien Technology table. Consider making the item break if a character fails four or more times before taking a long rest. A character who has seen an item used or has operated a similar item has advantage on Intelligence checks made to figure out its use. 9 or lower One failure; one charge or use is wasted, if applicable; character has disadvantage on next check 10-14 One failure 15-19 One success 20 or higher One success; character has advantage on next check Figuring Out Alien Technology Optional