Eldritch blast would be a terrible spell for a “god” character (why, sorlocks?), but warlocks are not god characters. They’re basically rangers with occasional arcane tricks, and any ranger would love to teleport 60 feet per round, especially against melee combatants or fleeing opponents.
That...
I think Far Step was probably designed for Warlocks; they were casting Misty Step at level 3, but since then using their higher level slot for that has become increasingly futile. Here comes a better misty step that you won’t feel guilty for using at higher levels, and it does use your...