21

You probably use your own spell save DC, but RAW is unclear The description of the Ring of Shooting Stars (DMG, p. 192) does indeed not give a spell save DC for faerie fire. It also gives access to dancing lights and light, the latter of which may also require a spell save DC ("if you target an object held or worn by a hostile creature"), which the item's ...


16

No Rules as written (and excluding house rules or specific rules for the effect that called for a save) there is no added effect from rolling a 20 on a saving throw (nor ability check). The general description of saving throws in the Player's Handbook (p. 179) make no mention of rolling a 20 (nor a 1). However, the DMG section on ability checks and saving ...


12

No, you do not negate extra damage. When making a saving throw, there is no such thing as a critical success nor critical failure. When you roll a 1 or a 20, simply add any relevant modifiers to that saving throw and use that total. The only exception to this is with a death saving throw (see basic rules, p. 76): Whenever you start your turn with 0 hit ...


7

The Huge or Larger creature can move through the sphere The spell states: On a successful save, a creature is ejected from that space to the nearest unoccupied space of the creature’s choice outside the sphere. A Huge or larger creature succeeds on the saving throw automatically. So the creature can choose to go back to the square it was just in, or to ...


3

You save against Ball Lightning but not against spark shower. DMG, p. 214: Magic items produce spells or spell-like effects. For a saving throw against a spell or spell-like effect from a magic item, the DC is 10+the level of the speell or effect + the ability modifier of the minimum ability score needed to cast that level of spell. For example, ...


1

A victim typically doesn't make saving throws against the functions ball lightning and spark shower The description of the ring of shooting stars (Dungeon Master's Guide 232–3) (50,000 gp; 0 lbs.) says that victims make a saving throw against the special function shooting stars but does not say that victims make saving throws against the special functions ...


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