Fissure is a recurring ability in the Dragon Quest series. The skill attempt to open up a chasm to send enemies to their doom. It must be noted that the animation shows a sucking vortex pulling enemies into the gorge, which explains why the skill is effective against flying foes.
Dragon Quest VI: Realms of Revelation
Fissure is learned by advancing to Rank 5 of the Sage vocation. The skill is a free version of Kathwack, utilizing the same resistance table. It is useful for players that prefer to conserve MP, but there is a 33% chance for the skill to fail regardless of its target's vulnerability, and cannot be used while at sea.
Dragon Quest VII: Fragments of the Forgotten Past
In the original PSX version and the 3DS remake, fissure can only be learned by reaching rank 4 of the Golem vocation and it possesses the same aspects as in VI.
Dragon Quest X
Druids learn Fissure by allocating 56 skill points into their 召喚 (Summoning) skill tree. It costs 16 MP to perform and damages all enemies in a straight line with jagged spires of rocks, dealing 90~120 base damage. Damage is calculated as (Magical might-200) × 0.7 + 90～120 for a limit of 895~925 at 1,350 magical might. Additionally, there is a 33% chance for any enemy hit with the skill to have their Lightning resistance lowered by 25% for 30 seconds.