You must use a bonus action on your turn to cast the spell, provided that you haven’t already taken a bonus action this turn. You can’t cast another spell during the same turn, except for a cantrip with a casting time of 1 action.
Is spell a bonus action?
A spell cast with a bonus action is especially swift. You must use a bonus action on your turn to cast the spell, provided that you haven’t already taken a bonus action this turn. You can’t cast another spell during the same turn, except for a cantrip with a casting time of 1 action.
Can you use a spell with a casting time of one bonus action?
However, spells with a casting time of one bonus action are described as follows (emphasis mine): Casting Time – Bonus Action. A spell cast with a bonus action is especially swift. You must use a bonus action on your turn to cast the spell, provided that you haven’t already taken a bonus action this turn.
Can you cast a cantrip with a bonus action?
The Rule The bonus action spellcasting restriction in 5th Edition D&D provides that when you cast a spell on your turn using a bonus action, you can’t cast any spell other than a cantrip other than a cantrip with a casting time of 1 action:
Can you change the casting time of a spell?
When you cast a spell that has a casting time of 1 action, you can spend 2 sorcery points to change the casting time to 1 bonus action for this casting. (PHB, p. 102) Furthermore, there is a case to be made based on the wording of the casting time of one bonus action (emphasis, once more, mine):
Can you cast another spell at the same time as shillelagh?
You can’t cast another spell during the same turn, except for a cantrip with a casting time of 1 action. So if you want to cast a bonus action spell (like Shillelagh) you must use your bonus action, but that could be before your regular action since the Shillelagh bonus action isn’t dependent on another trigger.
