Charge with no AC penalty and +4 damage; 1/encounter.
The character has perfected the devastating charge. When charging,
the character no longer suffers the -2 AC penalty and deals +4
damage on the charge attack. This ability may be used once per
encounter.
Rules Reference
Field
Value
Combat Action / Action Type
full
Combat Action / Duration
instant
Combat Action / Frequency
1/encounter
Combat Action / Uses Per Day
Special
Once per encounter. The normal charge rules (double speed, straight line, minimum 10 feet) still apply.