Beacon of Ruin
Chills from your Hits always reduce Action Speed by at least 10%
Shocks from your Hits always increase Damage taken by at least 20%
20% more Damage with Ignite 
Beacon of Ruin is a notable Ascendancy passive skill for the Elementalist that grants a passive elemental proliferation effect to player's skills. It also grants increased effect to non-damaging ailments and grants chill and shock a minimum slow and increased damage taken effect percentage, respectively.
Mechanics and Interactions
Area of Effect: Modifiers to area of effect will apply to Beacon of Ruin only if the skill which applied the elemental ailments is able to be affected by modifiers to area of effect. If the skill is able to be supported by Increased Area of Effect SupportIncreased Area of Effect SupportSupport, AoE
Mana Multiplier: 140%Requires Level 38Supports any skill with an area of effect.Per 1% Quality:
Supported Skills deal 0.5% increased Area DamageSupported Skills have (30-49)% increased Area of EffectThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket., then its Beacon of Ruin proliferation will be affected by modifiers to area of effect.
Beacon of Ruin overrides the minimum threshold of 1% effect that normally applies to chill and shock. In other words, 1 point of cold damage from any hit will apply chill, and 1 point of lightning damage from a critical strike will apply shock. This also applies to damage types that are enabled by unique items, where 1 point of physical damage will apply chill when Soul Taker is equipped.
The Shocks from your Hits always increases Damage taken by at least 20% mod will be increased by X% increased Effect of Shock, up to a cap of 50% increased damage taken. For example, with 20% increased Effect of non-Damaging Ailments on Enemies, the minimum shock would then be 24% increased damage taken. An increased shock effect value of 150% is needed to reach the shock cap of 50% increased damage taken. This also applies to the mod Chills from your Hits always Slow by at least 10%, increased to the maximum of 30% slow at 200% increased chill effect.
- Mark_GGG (Jun 9, 2016). "Forum - Gameplay Help and Discussion - Mechanical Questions Thread - Path of Exile". Path of Exile. Retrieved Nov 15, 2017.