Holding ctrl and then moving forward will make you dash once every second provided you dont hit anything.

Tried to use only Botania, but equipping the Tiara with only Botania installed will crash you #1271
Was able to use the Tiara when having Mantle, Tconstruct & NEI installed, if that helps anything.

Botania r1.7-210
CodeChickenCore-1.7.10-1.0.7.46-universal
Mantle-1.7.10-0.3.2
NotEnoughItems-1.7.10-1.0.5.110-universal
TConstruct-1.7.10-1.8.7

Baubles-1.7.10-1.0.1.10
CodeChickenLib-1.7.10-1.1.3.138-universal