According to current live RA, that can be found here: https://darkageofcamelot.com/content/realm-abilities
Viper should got another values and be passive ability:
Passive.
Increases the damage of poisons by the listed amount.
Level I - 25%
Level II - 35%
Level III - 50%
Level IV - 75%
Level V - 100%
Atm ingame description says "For 30s, all of your DOT poisons will do double damage."
Also description shows incorrect dmg values per level:
Level I - 5%
Level II - 10%
Level III - 15%
Level IV - 20%
Level V - 25%
Viper should got another values and be passive ability:
Passive.
Increases the damage of poisons by the listed amount.
Level I - 25%
Level II - 35%
Level III - 50%
Level IV - 75%
Level V - 100%
Atm ingame description says "For 30s, all of your DOT poisons will do double damage."
Also description shows incorrect dmg values per level:
Level I - 5%
Level II - 10%
Level III - 15%
Level IV - 20%
Level V - 25%