Melee weapon
Special: Characters must choose to use either Charisma or Constitution for this power at 1st level. This choice can't be changed later.
Eldritch strike counts as a melee basic attack.
Eldritch strike can be taken instead of eldritch blast for the Eldritch Blast class feature.[U
:3/2010]
Target: one creature
Attack: Charisma or Constitution vs. AC
Hit: "1[W] + Charisma or Constitution modifier damage, and you slide the target 1 square.
"Increase damage to 2[W] + Charisma or Constitution modifier at 21st level."[PHH1:AH1]
Eldritch strike is an at-will power available to warlocks at 1st level, as an alternative to eldritch blast
This power is frequently mentioned in some optimized character builds, but doesn't have a specific power rating. In general, it's a preferred choice for setting up an escape route.