Dreamseeker

The Dreamseeker is Crono's strongest weapon from. Obtained after beating the Dream Devourer who is able to be fought after all three Dimensional Vortexes are beaten. It has an attack power of 240 and it has an extremely high critical hit rate of 90%. The attack power is unnecessary since you max out at 255.

Name Origin
Many believe the sword's name is a reference to the DS system itself, since Dreamseeker is a compound word containing DS and is exclusive to that release of the game; however, it is also likely the Dreamseeker found its name simply because it is received from the Dream Devourer.