Words that end in<span> -ch, x, s or s-like sounds, however, </span>will<span> require an -es for the </span>plural<span>: .... But note that some inconsistency is acceptable in </span>all<span> but the most formal writing: ...</span>
Answer:
The desire to fight for power is an instinct.
Explanation: This is the answer because he is killing many things for not very good reasons. Therefore he is just killing for power.