Figuring Out Alien Technology

Source: Dungeon Master’s Guide p. 268

Figuring Out Alien Technology

Int. Check TotalResult
9 or lowerOne failure; one charge or use is wasted, if applicable; character has disadvantage on next check
10-14One failure
15-19One success
20 or higherOne success; character has advantage on next check
^figuring-out-alien-technology