Enlarge/Reduce Size:L you automatically end the effects

you automatically end the effects of a spell on the target if the spell's level is equal to or less than the level of the spell slot you used

receiving a full share of experience points awarded

it makes a DC 20 Intelligence check

An elemental summoned by this spell disappears when it drops to 0 hit points or when the spell ends

you can use your action to call down lightning in this way again

Enlarge/Reduce Size:L you automatically end the effectsYou cause a creature or an object you can see within range to grow larger or smaller for the duration. Choose either a creature or an object that is neither worn nor carried. If the target is unwilling, it can make a Constitution saving throw. On a success, the spell has no effect. If the target is a creature, everything it is wearing and carrying changes size with it. Any item dropped by an affected creature returns to normal size at once. Enlarge.