The buff description is off, but the effect is normal Interlude.
On the other hand m. crit rate is off. With 29 WIT (elf, dc robe set, +4dye) and valakas and full m. crit buff (pow, siren) i was expecting ~50-60% mcrit but on OBT its about 10%. Cannot test Infiniti Scepter on OBT but as of...