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Icons on effect rows describe PvE/PvP scope, per-caster stacking, and stack behavior (stack, ignore, or replace). Other badges mark special flags such as copied boosts, ignored strength/resistance, or combat scaling. Hover or focus an icon for its full meaning.

Stalker Defense / Sonic Aura
Ultrasonic Hide
— · StealthRadius



Ultrasonic Hide makes you almost impossible to detect. When properly 'Hidden", a Stalker can pull off Critical hits with his attacks, and even land a massive 'Assassins Strike' with an Assassins power. When you attack or are damaged while using this power, you will be discovered. Even if discovered, you are hard to see and retain some bonus to Defense. Unlike most stealth powers, Ultrasonic Hide can be used at the same time as other Concealment powers, giving you even greater stealth capability. No Endurance cost.
Ultrasonic Hide allows you to move faster than normal, as well as resist slow effects and recover endurance more quickly.
Recharge: Very Fast.
Activation Details

- Available Level
- 1
- Type
- Toggle
- Accuracy
- 1
- Range
- 0 ft
- Cast Time
- 0.73 sec
- Cast Arcanatime
- 0.924 sec
- Root Time
- —
- Animation Time
- 1.167 sec
- Animation Time Before Effect
- 0.5 sec
- Interrupt Time
- —
- Activate Period
- 0.5 sec
- Recharge Time
- 2 sec
- Endurance Cost
- 0 endurance
- Attack Types
- —
- Effect Area
- Single Target
- Radius
- —
- Arc
- —
- Max Targets Hit
- 0
- Cast When
- AliveOnly
- Near Ground
- —
- Entities Affected
- Self (Alive)
- Entities Autohit
- Self (Alive)
- Target
- Self (Alive)
- Target Requires
- —
- Modes Required
- Modes Disallowed
- Disable All
- Strengths Disallowed
- Ignore Strength
- —
Raw source fields
{
"Name": "\"Hide\"",
"DisplayName": "\"XLSATGGPXBDYWDCNWVXTDT5CT3\"",
"ModesDisallowed": "kDisable_All",
"Type": "kToggle",
"Accuracy": "1",
"GroupMembership": "kHide_Group",
"EntsAffected": "kCaster",
"EntsAutoHit": "kCaster",
"Target": "kCaster",
"TimeToActivate": "0.73",
"RechargeTime": "2",
"ActivatePeriod": "0.5",
"EffectArea": "kCharacter",
"BoostsAllowed": "kRecharge_Boost, kBuff_Defense_Boost",
"ToggleIgnoreHold": "kTrue",
"ToggleIgnoreSleep": "kTrue",
"ToggleIgnoreStun": "kTrue",
"VisualFX": "\"menu\\Powers\\AnimFX\\PlayerPowers\\Sonic_Aura_Hide.pfx\"",
"include": "menu\\Powers\\AnimFX\\PlayerPowers\\Sonic_Aura_Hide.pfx",
"DisplayShortHelp": "\"MKTM5SHRZCZRYLMWRJ9TVANA3A\"",
"DisplayHelp": "\"R83Q3VH33P4JYHVBCHRF6VHX9W\"",
"DisplayAttackerHit": "\"P4234907424\"",
"DisplayPowerDefenseFloat": "\"P3802943013\"",
"IconName": "\"SonicAura_Hide\""
}Effects (15)
Effect 1 · StealthRadius



- Resolved effect
- — (select an archetype)
- Attribute
- StealthRadius
- Effect
- Cur
- Scale
- 150
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Attrib": "kStealthRadius",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "150.0000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
],
"Flags": "IgnoreResistance"
}Effect 2 · StealthRadiusPlayer



- Resolved effect
- — (select an archetype)
- Attribute
- StealthRadiusPlayer
- Effect
- Cur
- Scale
- 500
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Attrib": "kStealthRadiusPlayer",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "500.0000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
],
"Flags": "IgnoreResistance"
}Effect 3 · Meter




- Resolved effect
- — (select an archetype)
- Attribute
- Meter
- Effect
- Cur
- Scale
- 1
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreStrength IgnoreResistance
Raw effect fields
{
"Attrib": "kMeter",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "1.0000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
],
"Flags": "IgnoreStrength IgnoreResistance"
}Effect 4 · Translucency




- Resolved effect
- — (select an archetype)
- Attribute
- Translucency
- Effect
- Cur
- Scale
- 0.15
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreStrength IgnoreResistance
Raw effect fields
{
"Attrib": "kTranslucency",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "0.1500",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
],
"Flags": "IgnoreStrength IgnoreResistance"
}Effect 5 · RechargeTime




- Resolved effect
- — (select an archetype)
- Attribute
- RechargeTime
- Effect
- Strength
- Scale
- 0.2
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 10.25 sec
- Flags
- IgnoreStrength IgnoreResistance
Raw effect fields
{
"Attrib": "kRechargeTime",
"Aspect": "kStr",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "0.2000",
"Duration": "10.2500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"Flags": "IgnoreStrength IgnoreResistance"
}Effect 6 · SpeedRunning



- Resolved effect
- — (select an archetype)
- Attribute
- SpeedRunning
- Effect
- Cur
- Scale
- 0.1
- Magnitude
- 1.0000
- Table
- "Melee_SpeedRunning"
- Target
- Self
- Duration
- 10.25 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Attrib": "kSpeedRunning",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_SpeedRunning\"",
"Scale": "0.1000",
"Duration": "10.2500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"Flags": "IgnoreResistance"
}Effect 7 · SpeedRunning, SpeedFlying, RechargeTime




- Resolved effect
- — (select an archetype)
- Attribute
- SpeedRunning, SpeedFlying, RechargeTime
- Effect
- Res
- Scale
- 0.4
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 10.25 sec
- Flags
- IgnoreStrength IgnoreResistance
Raw effect fields
{
"Attrib": "kSpeedRunning kSpeedFlying kRechargeTime",
"Aspect": "kRes",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "0.4000",
"Duration": "10.2500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"Flags": "IgnoreStrength IgnoreResistance"
}Effect 8 · SpeedFlying



- Resolved effect
- — (select an archetype)
- Attribute
- SpeedFlying
- Effect
- Cur
- Scale
- 0.1
- Magnitude
- 1.0000
- Table
- "Melee_SpeedFlying"
- Target
- Self
- Duration
- 10.25 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Attrib": "kSpeedFlying",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_SpeedFlying\"",
"Scale": "0.1000",
"Duration": "10.2500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"Flags": "IgnoreResistance"
}Effect 9 · Recovery



- Resolved effect
- — (select an archetype)
- Attribute
- Recovery
- Effect
- Cur
- Scale
- 0.15
- Magnitude
- 1.0000
- Table
- "Melee_Ones"
- Target
- Self
- Duration
- 10.25 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Attrib": "kRecovery",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Ones\"",
"Scale": "0.1500",
"Duration": "10.2500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"Flags": "IgnoreResistance"
}Effect 10 · Ranged, Melee, AOE, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic



- Resolved effect
- — (select an archetype)
- Attribute
- Ranged, Melee, AOE, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic
- Effect
- Cur
- Scale
- 0.25
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kRanged_Attack kMelee_Attack kAOE_Attack kSmashing_Attack kLethal_Attack kFire_Attack kCold_Attack kEnergy_Attack kNegative_Energy_Attack kPsionic_Attack kToxic_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "0.2500",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep"
}Effect 11 · Ranged, Melee, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic



- Resolved effect
- — (select an archetype)
- Attribute
- Ranged, Melee, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic
- Effect
- Cur
- Scale
- 0.5
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kRanged_Attack kMelee_Attack kSmashing_Attack kLethal_Attack kFire_Attack kCold_Attack kEnergy_Attack kNegative_Energy_Attack kPsionic_Attack kToxic_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "0.5000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
]
}Effect 12 · AOE



- Resolved effect
- — (select an archetype)
- Attribute
- AOE
- Effect
- Cur
- Scale
- 5
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kAOE_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "5.0000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
]
}Effect 13 · Ranged, Melee, AOE, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic



- Resolved effect
- — (select an archetype)
- Attribute
- Ranged, Melee, AOE, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic
- Effect
- Cur
- Scale
- 0.25
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kRanged_Attack kMelee_Attack kAOE_Attack kSmashing_Attack kLethal_Attack kFire_Attack kCold_Attack kEnergy_Attack kNegative_Energy_Attack kPsionic_Attack kToxic_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "0.2500",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep"
}Effect 14 · Ranged, Melee, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic



- Resolved effect
- — (select an archetype)
- Attribute
- Ranged, Melee, Smashing, Lethal, Fire, Cold, Energy, Negative Energy, Psionic, Toxic
- Effect
- Cur
- Scale
- 0.5
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kRanged_Attack kMelee_Attack kSmashing_Attack kLethal_Attack kFire_Attack kCold_Attack kEnergy_Attack kNegative_Energy_Attack kPsionic_Attack kToxic_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "0.5000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
]
}Effect 15 · AOE



- Resolved effect
- — (select an archetype)
- Attribute
- AOE
- Effect
- Cur
- Scale
- 5
- Magnitude
- 1.0000
- Table
- "Melee_Buff_Def"
- Target
- Self
- Duration
- 0.75 sec
- Flags
- IgnoreResistance
Raw effect fields
{
"Flags": "IgnoreResistance",
"Attrib": "kAOE_Attack",
"Aspect": "kCur",
"Target": "kSelf",
"Table": "\"Melee_Buff_Def\"",
"Scale": "5.0000",
"Duration": "0.7500",
"Magnitude": "1.0000",
"StackType": "kReplace",
"CancelEvents": "Stunned Held Sleep",
"Suppress": [
"Attacked 8 Always",
"Damaged 8 Always",
"MissionObjectClick 8 Always"
]
}