The restrained condition doesn’t prohibit any actions (apart from movement over distance) so yes, any spell can be cast while restrained.
Can you cast a spell while being grappled?
Never miss a Moment Grappled & restrained—these conditions interfere with a spell only if it has a somatic component and the caster’s hands are bound.
Can you cast a spell if you are grappled?
In 5e being grappled grants the grappled condition, which does not create a problem for spellcasting.
Do you have to have one hand free to cast spells?
You must have at least one hand free to provide a somatic component. Yes, even still spells might be impossible while pinned, as the conditions say: A pinned creature can take verbal and mental actions, but cannot cast any spells that require a somatic or material component.
Can a spell be cast without a somatic component?
A somatic component is a measured and precise movement of the hand. You must have at least one hand free to provide a somatic component. So you can cast a still magic missile without a free hand, but not a not-still one. A pinned creature can take verbal and mental actions, but cannot cast any spells that require a somatic or material component.
Can a humanoid character cast spells with still spell metamagic feat?
Can a humanoid character cast spells with Still Spell metamagic feat (without material components or with Eschew Materials) that has his arms occupied (or is being pinned )? For example Magic missile requires Verbal and Somatic component. It is also written that “A missile of magical energy darts forth from your fingertip “.
Can you cast a spell on a pinned creature?
Yes, even still spells might be impossible while pinned, as the conditions say: A pinned creature can take verbal and mental actions, but cannot cast any spells that require a somatic or material component. This means you require a spell without somatic components and without material components.
