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Message: <blockquote data-quote="MrMyth" data-source="post: 5732327" data-attributes="member: 61155">"If a power has a “Sustain” entry, you can keep that power active by taking a specified type of action (minor, move, or standard) during your turn. The “Sustain” entry tells you if a power has an effect that occurs when you take the action to sustain it. See “Durations,” page 278, for more about sustaining a power." Note: No mention of durations of effects in the entry itself - instead, a reference to a seperate section on durations later in the book. Instead, the references are to "keeping the power active".  Again, look up the powers Radiant Pulse, Curse of the Dark Delirium, and Doom of Delban.  All sustainable, all without having the sustain action extend any condition or effect. The exact same thing as Crown of Stars, except that since Crown of Stars has a condition in it, you feel that this should be connected to the sustain action - even though the sustain entry makes no mention of causing the blindness to persist.   The sustain rules reference "keeping a power active" without requiring it have a specific condition, zone or conjuration that needs to persist. The wording for the sustain rules, on page 59, mentions only sustaining the "power", and makes no reference to conditions, zones or conjurations.  Of the 5 examples given on that page, 3 make mention of the sustain extending the duration of something, while 2 instead reference something that occurs by taking the sustain action.  We have three powers in the PHB that involve sustaining the power without having any condition, zone or conjuration to be sustained. Like those powers, Crown of Stars does not need to reference any "effect" in need of being sustained. All it needs to do is tell us that the power can be sustained (which is does, by virtue of having a "Sustain" entry) and tell us what happens when the power is sustained (the caster makes an attack.)  In virtually every single case where a condition, zone or conjuration has its duration extended by Sustaining a power, the Sustain line explicitly states that it is sustained and (usually) for how long.  It is true that the wording is not always consistent on this. But it is pretty close to it, and that is, simultaneously, how the rules tell us it should work - specifying in multiple places that when a power is sustained, you do specifically what it tells you in the sustain line.  Where in the rules do you believe it says that, when a power is sustained, all conditions, zones and conjurations caused by that power automatically have their durations extended? Because if that is interpretation is true, I bet I can track down quite a few powers that will get real weird, real fast, when that rule is applied.   Here is what the rules say: -If a power has a Sustain line, it means the power itself can be sustained. No mention is made to conditions, zone or conjurations caused by that power automatically being sustained. Instead, we are told that the Sustain line will tell us what happens when the action is taken to Sustain it. (PHB, pg 59). -We are also told some durations are Sustainable. Your interpretation seems to be that any duration involved in a Sustainable power automatically becomes a Sustainable duration. I admit, I can see why you might think that, but I don't think it holds up, either when taking a closer look at the rules, or when examining many of the existing Sustainable powers out there. -So, how do we know if a duration is Sustainable? Typically, because the Sustain line itself makes mention of the condition, zone or conjuration that persists due to Sustaining the power.  I can see nothing in the rules that says that a condition caused by a power, but not referenced in its Sustain line, is nonetheless automatically extended when the power is Sustained.  Similarly, I think the rules make it clear (along with the three example powers I gave earlier) that it is entirely possible to have a power which can be sustained without having any condition, zone or conjuration created by the power. Do we at least have agreement on that count?</blockquote>

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