Liandry’s Torment is an item from League of Legends. Spells burn enemies for 3 seconds (or turns in RPG Maker MV) dealing 2% of their current HP per second / turn. This damage is doubled against movement-impaired units. The RPG Maker MV counterpart for this will be the “Cannot move” State restriction.
Silver Bolts is an ability of Vayne from League of Legends. It’s a passive ability that will deal a percentage of the target’s maximum health as bonus damage after hitting the same enemy 3 times in a row.