Level
3rd
Casting Time
1 Action
Range/Area
30 ft
Components
V, S, M *
Duration
Concentration
1 Minute
School
Transmutation
Attack/Save
None
Damage/Effect
Buff
Choose a willing creature that you can see within range. Until the spell ends, the target’s speed is doubled, it gains a +2 bonus to AC, it has advantage on Dexterity saving throws, and it gains an additional action on each of its turns. That action can be used only to take the Attack (one weapon attack only), Dash, Disengage, Hide, or Use an Object action.
When the spell ends, the target can’t move or take actions until after its next turn, as a wave of lethargy sweeps over it.
* - (a shaving of licorice root)
so if you use your action to dash, can you still use the haste action to dash as well? and it doubles ALL speed, including a monks step of the wind?
Extra Attack
Beginning at 5th level, you can attack twice, instead
of once, whenever you take the Attack action on your
turn.
Does this mean you get two attacks from the action afforded to you, if you decide to attack for the haste action?
"to take the Attack (one weapon attack only)" which rule is followed as Extra attack specifically states you can attack twice, instead of once...
You use your regular action to hold the attack action, then you attack with your normal action. Sneak attack is once per turn, not once per YOUR turn.
You can do a combination of two levels in Fighter with eight levels in Paladin and take at first level spell Shield of Faith and Haste and you can have it 21 armor class
it says cast on a willing creature, so they wouldnt be willing to be stunned and not take it.
but the spell, which you quoted says (ONE weapon attack only). The spell doesnt say you get an extra Attack ACTION, just one extra weapon attack.