Jsk Bannerlord

Spellcasting
At 3rd level, you gain access to the Bard spell list. Your spellcasting ability is Charisma. Spell Save DC = 8 + your proficiency bonus + your Charisma modifier
 * Ritual Casting: As a Bannerlord, you cannot cast a spell as a ritual.
 * Spell Slots: The Bannerlord Spellcasting Table shows you how many spell slots you have. You regain any expended spell slots when you finish a long rest.
 * Spells Known: You know three spells from the Bard spell list. You learn more Bard spells as you gain levels with this class (see the Bannerlord Spellcasting Table).
 * Spellcasting Focus: You use a banner or a banner weapon as your spellcasting focus (see your War Banner feature).
 * Versatile Spells: When you finish a long rest, you can choose one Bard spell that you know and replace it with another Bard spell.

Spell Attack Modifier = your proficiency bonus + your Charisma modifier

War Banner
At 3rd level, you gain a war banner that you can use to empower your allies. You can also attach your war banner to a weapon with the reach property, as long as you are proficient with that weapon, turning it into a banner weapon. As an Action, you can wave your banner with one hand until the start of your next turn, or you can plant it into the ground at an unoccupied location within 5 feet of you. While planted, your banner does not prevent movement through its space, it has an AC of 8, and 8 Hit Points. When you wave or plant your banner, you can choose one creature you can see within 60 feet of you that can see your banner or hear you. The creature gains one of the following abilities during it's next turn (your choice). You can plant or wave your flag twice, and you regain any expended uses when you finish a long rest.
 * Action Surge: The chosen creature can take one additional action.
 * Second Wind: The chosen creature can use a bonus action to regain hit points equal to 1d10 + your Fighter level.

Shared Strength
At 7th level, when you Attack a creature with your banner weapon and score a critical hit, or you kill a creature with your banner weapon, all allies within 30 feet of you that can see or hear you gain a bonus to an ability check, attack roll, or saving throw that they make within the next minute. This bonus is a d6.

Additionally, when you plant or wave your flag (see your War Banner feature) you gain an additional ability that you can give to a creature.
 * Extra Attack: The chosen creature can attack twice, instead of once, whenever it takes the Attack action on it's turn.

Rally Under the Banner
At 10th level, when you cast a Bard spell of 1st-level or higher, you can also plant or wave your banner as part of casting the spell (see your War Banner feature).

Additionally, when you plant or wave your flag (see your War Banner feature) you gain an additional ability that you can give to a creature.
 * Indomitable: The chosen creature can reroll a saving throw that it fails. If it does so, it must use the new roll. The chosen creature has 1 minute to use this ability.

Unknown
At 15th level,.

Improved War Banner
At 18th level, you regain any expended uses of your War Banner feature when you finish a short or long rest.