Gigantic parasite
Increase monstruous parasite duration by 2 seconds and increase host's move speed by 15% for all its duration.
Devouring parasite.
If the target of grabing tentacles die within 2 seconds after been grabed, grabing tentacle cooldown is set to 5 seconds.
Reincarnation
2 seconds after dying, izsha revives with 10% of her maximum hp on parasite's host location. This effect can only occur once every 150 seconds. Healing globes reduces this cooldown by 5 seconds
Day of the tentacle
Parasite persist when izsha is dead, and she can still use all her abilities.
I actually have an unpublished draft of Rohana with similar mechanics (she creates a khala link) but i havent finished the talents yet.