For 10 min a day you can get +5 to charisma one a day, Long rest to get it back

Charge

Give up to 6 creatures of your choice within 30ft +2 to initiative usable three times a day lasts until the end of combat, Long rest to get it back

at higher levels

level 6 Each target's hit point maximum and current hit points increase by 5 for the duration.

Level 9 Each target's hit point maximum and current hit points increase by another by 10 for the duration.

Level 12 Each target's hit point maximum and current hit points increase by another 15 for the duration.