League of Legends Mastery: Deathfire Touch
Deathfire Touch
Mastery Tree: Ferocity

Your damaging abilities cause enemy champions to take magic damage equal to 8 + 60% of your Bonus Attack Damage and 25% of your Ability Power over 4 seconds.
Deathfire Touch has reduced effectiveness when applied by area of effect and damage over time abilities.
- Area of effect: 2 second duration.
- Damage over time: 1 second duration.
Some champions take this because "there just aren't any better options" like
To conclude this talent can be better if you are able to maintain it's uptime, people like
This keystone is just miles above
Well I guess your opinion got rekt by the community.